What you should know when choosing non-toxic degreasers on Welpr:

  • Only the cleanest products make it onto Welpr.
  • We use a score called the Welpr Rating to rank each product.
  • The Welpr Rating is based on math, not opinion, ensuring it's free from human bias.
The Welpr Rating is determined by a scoring formula. The formula takes into account the products safety, user satisfaction, and eco-ethical standing. Click here to learn more.
Our Methodology and Ratings

Find Non-Toxic Degreaser

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Natural Multi-Surface Cleaner, Green Tea & Lime - Puracy

Natural Multi-Surface Cleaner, Green Tea & Lime - Puracy
Welpr Rating
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Welpr rating icon
4.95
/5
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Certifications

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<p>Products rated EWG-A contain minimal health hazards and provide excellent ingredient disclosure. <a href="https://www.ewg.org/guides/cleaners/6010-PuracyNaturalMultiSurfaceCleanerGreenTeaLime/?formulation=6550" target="_blank">Source</a>.</p>
<p>The Leaping Bunny certification assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System. <a href="https://www.leapingbunny.org/brand/puracy" target="_blank">Source</a>.</p>
<p>The PETA certification identifies cosmetics, personal-care, and household products as cruelty-free ensuring no animal testing or animal-derived ingredients are used worldwide.</p>

Highlights

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<p>The Vegan label indicates that a brand says their product does not contain animal-derived ingredients, but without certifications such as Certified Vegan, it cannot be verified.</p>
<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. An EXCELLENT user satisfaction score indicates the product is in the top third of the best products.
Est. Price
$19.99

Product Details

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  • Recognized as "The Best All-Purpose Cleaner" by The New York Times
  • Effectively formulated to clean any hard surface without causing streaks
  • Developed and tested by PhDs, this plant-based formula addresses a wide range of household stains and residues including food, soda, grease, and more
  • Usable on multiple surfaces such as kitchen countertops, electronics, hardwood floors, jewelry, and various metals and stones
  • Designed to reduce plastic usage by 90% and comes concentrated enough to create one gallon of cleaner
  • Safe for children, pets, and all household surfaces; hypoallergenic, vegan, and gluten-free
  • Ensures sparkling, residue-free results on diverse surfaces
  • Biodegradable and cruelty-free, never tested on animals
  • Produced in the USA
  • Infused with a scent of freshly steeped green tea leaves and lime with a touch of herbs

Pros & Cons

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Pros Mentioned

  • Efficient
  • Natural
  • Versatile

Cons Mentioned

  • Sticky

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Purified Water, Decyl Glucoside (Sugar-Based Cleanser), C6-C12 Alcohol Ethoxylate (Sugar-Based Cleanser), C12-C15 Alcohol Ethoxylate (Plant-Based Cleanser), C9-C11 Alcohol Ethoxylate (Plant-Based Cleanser), Citric Acid (Plant-Based pH Neutralizer), Sodium Citrate (Plant-Based pH Neutralizer), Natural Green Tea & Lime Botanical Extracts, Benzisothiazolinone (Biodegradable Preservative)

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Sal Suds Biodegradable Cleaner, Pine - Dr. Bronner's

Sal Suds Biodegradable Cleaner, Pine - Dr. Bronner's
Welpr Rating
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Welpr rating icon
4.95
/5
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Certifications

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<p>Products rated EWG-A contain minimal health hazards and provide excellent ingredient disclosure. <a href="https://www.ewg.org/guides/cleaners/496-DrBronnersSalSudsLiquidCleaner/?formulation=6779" target="_blank">Source</a>.</p>
<p>The Certified Vegan label verifies through third-parties that a product contains no animal ingredients. <a href="https://vegan.org/certified-products/?_search=dr.%20bronner" target="_blank">Source</a>.</p>
<p>The B Corp certification indicates that a company meets high social and environmental standards. <a href="https://www.bcorporation.net/en-us/find-a-b-corp/company/dr-bronners/" target="_blank">Source</a>.</p>
<p>The Leaping Bunny certification assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System. <a href="https://www.leapingbunny.org/brand/dr-bronners" target="_blank">Source</a>.</p>
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User Satisfaction

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We only include products on Welpr that are the best of the best. An EXCELLENT user satisfaction score indicates the product is in the top third of the best products.
Est. Price
$15.69

Product Details

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  • Versatile all-purpose cleaner suitable for cleaning floors, laundry, dishes, furniture, and cars, without irritating skin.
  • Effective in both hard and soft water, rinses freely in hot or cold water and rapidly biodegrades.
  • Formulated with plant-based surfactants that cut grease and dirt, producing copious suds.
  • Mildly scented with pure fir and spruce essential oils, free from synthetic dyes, fragrances, or preservatives, phthalates, and ammonium compounds.
  • Product ingredients are never tested on animals and bear the Leaping Bunny logo for cruelty-free certification.
  • Contains the purest organic and fair trade ingredients, promoting regenerative organic farming practices to enrich soil and increase biodiversity.
  • Certifications include USDA Certified Organic, Fair For Life, Certified Vegan, Certified Leaping Bunny, and B Corp, ensuring ethical standards and environmental responsibility.
  • Supports various causes like regenerative agriculture, fair trade, wage equality, and animal welfare.
  • Emphasizes sustainability with a commitment to using renewable energy and post-consumer recycled plastic in product packaging.

Pros & Cons

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Pros Mentioned

  • Versatile
  • Concentrated
  • Effective

Cons Mentioned

  • Pricey

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Water, Sodium Lauryl Sulfate, Coco-Betaine, Decyl Glucoside, Abies Siberica (Siberian Fir) Needle Oil, Picea Glauca (Spruce) Leaf Oil, Citric Acid, Sodium Sulfate, Sodium Chloride, Potassium Hydroxide

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Powder Cleanser for Kitchens & Bathrooms, Unscented - Bon Ami

Powder Cleanser for Kitchens & Bathrooms, Unscented - Bon Ami
Welpr Rating
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Welpr rating icon
4.9
/5
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Certifications

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<p>Products rated EWG-A contain minimal health hazards and provide excellent ingredient disclosure. <a href="https://www.ewg.org/guides/cleaners/213-BonAmiPowderCleanser/" target="_blank">Source</a>.</p>

Highlights

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<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. An EXCELLENT user satisfaction score indicates the product is in the top third of the best products.
Est. Price
$6.99

Product Details

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  • Hypoallergenic and non-toxic formula
  • Free from chlorine, perfumes, and dyes
  • Cleans without scratching surfaces
  • Effective on various surfaces including kitchens and bathrooms
  • Polishes surfaces and absorbs odors
  • Biodegradable composition
  • Ingredients are simple and listed on the package

Pros & Cons

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Pros Mentioned

  • Effective
  • Non-abrasive
  • Gentle

Cons Mentioned

  • Expensive

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Calcium Carbonate (Limestone), Feldspar Powder, Sodium Carbonate (Soda Ash), Sodium Bicarbonate (Baking Soda), C10-C16 Alkylbenzene Sulfonic Acid (Surfactant)

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Oven Scrub Cleaner, Unscented - Everneat

Oven Scrub Cleaner, Unscented - Everneat
Welpr Rating
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Welpr rating icon
4.6
/5
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on Amazon

Certifications

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<p>The Leaping Bunny certification assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System. <a href="https://www.leapingbunny.org/brand/everneat" target="_blank">Source</a>.</p>

Highlights

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<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. A GREAT user satisfaction score indicates the product is in the middle third of the best products.
Est. Price
$19.99

Product Details

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  • Utilizes plant-based ingredients for a deep, chemical-free clean, making it safe and effective.
  • Designed for both traditional and self-cleaning ovens to effectively remove stubborn grease and grime.
  • Biodegradable, non-toxic formulation that is gentle on hands and environmentally friendly.
  • Features refillable concentrates to help reduce packaging waste and clutter.
  • Safe for use around children and pets, available in both scented and unscented options to accommodate allergies.
  • Includes a jar of Oven Scrub, a bottle of Surface Cleaner, and a commercial-grade Steel Scrubber for comprehensive cleaning.
  • Endorsed by media outlets like Buzzfeed, HuffPost, and Real Simple for its all-natural, effective cleaning properties.

Pros & Cons

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Pros Mentioned

  • Effective
  • Non-toxic
  • Fast

Cons Mentioned

  • Pricey

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Sodium Bicarbonate, Pumice Stone, Sodium Carbonate, Calcium Carbonate, Water, Isopropylidene Glycerol (Glycerine Derived), Alkyl Polyglucoside, Sodium Citrate, Citric Acid, Glycerine, Xantham Gum, Essential Oils (Based On Your Selected Blend)

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

All-Purpose Cleaner, Multi-Surface Cleaning Spray, Countertop Spray, Lemongrass - Natural Flower Power

All-Purpose Cleaner, Multi-Surface Cleaning Spray, Countertop Spray, Lemongrass - Natural Flower Power
Welpr Rating
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Welpr rating icon
4.6
/5
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on Amazon
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Highlights

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<p>The Cruelty-Free label indicates that a product says their product is free from animal testing, but without certifications such as PETAs Beauty Without Bunnies or Leaping Bunny, it cannot be verified.</p>
<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. A GREAT user satisfaction score indicates the product is in the middle third of the best products.
Est. Price
$21.98

Product Details

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  • Non-toxic and biodegradable multi-surface cleaner suitable for a variety of hard surfaces.
  • Free from harsh chemicals and fumes, ensuring safety for children and pets.
  • pH balanced formula, crafted to be gentle yet effective.
  • Utilizes a plant-based multi-surfactant formulation to enhance cleaning performance.
  • Incorporates a blend of pure essential oils for hypoallergenic, safe, and aromatherapeutic cleaning.
  • Proudly made in the USA and never tested on animals.
  • Guaranteed satisfaction with a 100% product guarantee from the manufacturer.

Pros & Cons

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Pros Mentioned

  • Refreshing
  • Effective
  • Safe

Cons Mentioned

  • Inconsistent

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Water, Decyl Glucoside, Lauramine Oxide, Sodium Gluconate, Citric Acid, Vitamin E (Tocopherol), Methylisothiazolinone, Benzisothiazolinone, Cymbopogon Flexuosus, Citrus Limonum

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

All-Purpose Cleaner, Unscented - SuperGreen

All-Purpose Cleaner, Unscented - SuperGreen
Welpr Rating
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Welpr rating icon
4.55
/5
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Certifications

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<p>The USDA Certified Biobased Product Label certifies that a product is made primarily from renewable biological resources, verified through third-party testing and ongoing USDA monitoring. <a href="https://www.biopreferred.gov/BioPreferred/faces/catalog/Catalog.xhtml" target="_blank">Source</a>.</p>
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User Satisfaction

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We only include products on Welpr that are the best of the best. A GOOD user satisfaction score indicates the product is in the bottom third of the best products.
Est. Price
$5.99

Product Details

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  • Scent free for powerful cleaning without the residual unpleasant odors.
  • Multi-surface use enabled, suitable for kitchens, bathrooms, garages, dining rooms, and various flooring types.
  • Made from plant-based ingredients, eliminating harsh chemicals.
  • Streak-free formula ensures cleanliness without redoing efforts.
  • Doubles as a degreaser, effectively cleaning saucepans, barbecues, ovens, and additional greasy surfaces.
  • Safe for use on all types of surfaces, ensuring versatility.
  • Designed to perform comparably or better than leading brands.
  • Leaves no streaks or residues to maintain surface integrity.
  • Septic safe, highlighting eco-friendly disposal traits.

Pros & Cons

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Pros Mentioned

  • Effective
  • Natural
  • Safe

Cons Mentioned

  • Ineffective

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Trade Secret, Ethoxylated Lauryl Alcohol, Sodium Citrate, Water

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Multi Purpose Stain Remover Concentrate, Fresh - Alevai

Multi Purpose Stain Remover Concentrate, Fresh - Alevai
Welpr Rating
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Welpr rating icon
4.5
/5
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Highlights

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<p>The Cruelty-Free label indicates that a product says their product is free from animal testing, but without certifications such as PETAs Beauty Without Bunnies or Leaping Bunny, it cannot be verified.</p>
<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. A GOOD user satisfaction score indicates the product is in the bottom third of the best products.
Est. Price
$15.00

Product Details

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  • Eco-friendly and made from natural, biodegradable ingredients that are safe for the environment.
  • Non-toxic and safe for use around children and pets.
  • Effective at removing tough stains such as coffee, wine, grease, pet stains, and grass with over 500 uses.
  • Versatile, suitable for a wide variety of surfaces and fabrics including carpets, upholstery, clothing, and more.
  • Plant-based formula eliminates the need for multiple cleaning products, offering convenience and cost-effectiveness.
  • Cruelty-free, gluten-free, vegan certified, and SLS-Free.

Pros & Cons

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Pros Mentioned

  • Effective
  • Versatile
  • Eco-friendly

Cons Mentioned

  • Strong

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Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Kitchen Power Degreaser, Fragrance Free - Grab Green

Kitchen Power Degreaser, Fragrance Free - Grab Green
Welpr Rating
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Welpr rating icon
4.5
/5
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on Amazon
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Highlights

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<p>The Cruelty-Free label indicates that a product says their product is free from animal testing, but without certifications such as PETAs Beauty Without Bunnies or Leaping Bunny, it cannot be verified.</p>
<p>The Vegan label indicates that a brand says their product does not contain animal-derived ingredients, but without certifications such as Certified Vegan, it cannot be verified.</p>
<p>The Made in USA label indicates that a product has substantial U.S. content and manufacturing.</p>

User Satisfaction

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We only include products on Welpr that are the best of the best. A GOOD user satisfaction score indicates the product is in the bottom third of the best products.
Est. Price
$20.75

Product Details

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  • Eco-friendly formula is biodegradable and free from solvents or noxious odors.
  • Effectively removes kitchen grease and grime, leaving surfaces streak-free and residue-free.
  • Features a soothing thyme with fig leaf scent derived from thyme and sage essential oils.
  • Naturally-derived plant and mineral-based ingredients are septic safe and provide reliable cleaning power.
  • Proudly cruelty-free, never tested on animals, and made in the USA.
  • Adheres to full ingredient disclosure, listing every ingredient along with its purpose on each package (True Transparency).
  • Owned and operated by women and mothers, emphasizing the use of non-toxic and naturally-derived ingredients.

Pros & Cons

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Pros Mentioned

  • Effective
  • Non-toxic
  • Pleasant

Cons Mentioned

  • Inconsistent

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Deionized Water, Sodium Sesquicarbonate, Sodium Laurylglucosides Hydroxypropylsulfonate, Sodium Citrate, Lauramine Oxide, Magnesium Nitrate, Methylchloroisothiazolinone, Magnesium Chloride, Methylisothiazolinone

Third-party certifications are key indicators of a product's safety, ethics, and environmental impact. Click the icon to verify the certification.

Highlights aren't always verifiable, so you're trusting the brand when they say "lead free", etc. If the highlight icon is "clickable", it means we've verified the highlight.

User satisfaction is calculated using online reviews and a Bayesian average across all cleaning products on Welpr.

Pro Degreaser, Unscented - Morton

Pro Degreaser, Unscented - Morton
Welpr Rating
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Welpr rating icon
4.45
/5
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User Satisfaction

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We only include products on Welpr that are the best of the best. A GOOD user satisfaction score indicates the product is in the bottom third of the best products.
Est. Price
$13.99

Product Details

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  • Highly effective at breaking down grease and leaving surfaces clean and bright.
  • Safe to use around food, including on dishes, pots, pans, countertops, and appliances.
  • Ideal for cleaning hard, nonporous surfaces.
  • Ready to use immediately upon arrival without requiring any mixing.
  • Nontoxic and nonirritating formula free from alcohol, ammonia, bleach, quats, VOCs, and does not leave toxic residues.
  • Contains no fragrances, dyes, or aerosols.
  • Manufactured and distributed in the USA.
  • Formulated with Sodium hydroxide (NaOH), derived from simple materials like salt and water and effective through a process of chlorination.
  • Sodium hydroxide is produced using salt water and electricity, and is adjusted in concentration for various applications.

Pros & Cons

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Pros Mentioned

  • Effective
  • Natural
  • Safe

Cons Mentioned

  • Ineffective

Ingredients

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Ingredients can vary by product variation and may change at any time by the manufacturer. For the most complete and up-to-date list of ingredients, refer to the product packaging.


To analyze individual ingredients, use this EWG tool.


Ingredients: Sodium Hydroxide, Water

Our Product Rating System

Our Product Rating System

First, Camille (co-creator of Welpr) hand picks cleaner product options from a variety of sources.

Next, we collect information about each product's safety, consumer satisfaction, and eco-ethical standing.

Finally, we run all this information through an algorithm that calculates the Welpr Rating.

Welpr Rating:

5.0/5

The Welpr Rating takes into account 3 things:

  1. Product Safety
  2. Consumer Satisfaction
  3. Ethics & Environment
Product safety

Part 1: Product safety

We evaluate safety information from 3rd party organizations (e.g. EWG, Made Safe, etc.). Instead of relying solely on any one of these companies for safety information, we assess all of them.

Consumer satisfaction

Part 2: Consumer satisfaction

We scour the web for consumer ratings and reviews to verify products are not only cleaner options, but also effective. Products can either be Above Average, Average, or Below average for their respective category (e.g. cleaning products).

Ethics & Environment

Part 3: Ethics & Environment

When you buy a product, you’re supporting that company with your dollars. We believe it’s important to support ethical companies, so we pool together certifications that verify a company's ethics and environmental impact.

Common Harmful Chemicals in Degreaser

Chemical Name

Why it’s harmful

1-Bromopropane

1-Bromopropane is a colorless liquid that is commercially used with additives to boost its performance in applications and prevent decomposition. Initially, it was utilized in the production of pesticides, fragrances, pharmaceuticals, and other chemicals. However, studies have shown that exposure to 1-bromopropane can lead to various health issues including reddening of the skin, peripheral neuropathy, reproductive toxicity, hepatotoxicity, and neurotoxicity. It has been found that adverse effects occur in animals exposed to levels above 250 ppm and 200 ppm. Furthermore, workers in factories that produce 1-Bromopropane have exhibited signs of toxicity affecting the central nervous system and peripheral nerves.

Trichloroethylene

Trichloroethylene (TCE) is a colorless, nonflammable liquid primarily used as an industrial solvent, featuring in products like adhesives, paint removers, and correction fluids. It's not natural to the environment but has been found in groundwater and surface waters due to its manufacture and disposal. Exposure to TCE, either short-term or chronic, can impact the central nervous system and cause symptoms such as dizziness, confusion and weakness, while also affecting other organs like the liver and kidneys. It has even been linked to several types of cancer, particularly in the kidneys, liver, cervix and lymphatic system. Although TCE itself poses a low fire hazard, under certain conditions like exposure to flames or other specific metals, it can produce phosgene, a highly toxic gas, or react violently with other strong oxidizers. To handle or transport TCE safely, it should be stored in steel drums in a cool, dry, well-ventilated area.

Tetrachloroethylene

Tetrachloroethylene is a manufactured chemical primarily used for dry cleaning and metal-degreasing, and also serves as an ingredient in other chemicals and consumer products. It can cause central nervous system depression, liver and kidney damage, and induce anesthesia when inhaled in high concentrations. Tetrachloroethylene is also associated with causing skeletal abnormalities in mice and increased spontaneous abortion rates in women exposed to it occupationally in Finland. Despite its potential harmful effects, a study found no clear link between occupational exposure and subsequent cancer incidence. Remedial measures like ventilating affected areas and donning protective clothing are recommended for handling spills; its containers should be kept away from fire to prevent production of poisonous phosgene gas.

Acetone

Acetone is a colorless, flammable liquid that dissolves in water and has a distinct smell and taste. It is also known as dimethyl ketone, 2-propanone, and beta-ketopropane. This manufactured chemical, which is used to create plastic, fibers, drugs, and other chemicals, can also be found in the environment in plants, trees, volcanic gases, forest fires, vehicle exhaust, tobacco smoke, and landfill sites, with industrial processes contributing more to its presence than natural ones. Acetone can be harmful if absorbed through the skin or inhaled, potentially causing irritation to the skin and respiratory tract, as well as adverse effects on the central nervous system (CNS), liver, and kidneys. The allowable exposure limit is set based on its potential to cause eye and upper respiratory irritation and CNS impairment.

Diethanolamine

Diethanolamine is a chemical found in various consumer products like shampoos, cosmetics, and pharmaceuticals. Acute exposure in humans can result in irritation of the nose, throat, and skin. However, no detailed data is available on its chronic, reproductive, developmental or carcinogenic effects on humans. Studies on animals reveal that acute oral exposure can influence the liver, blood, kidney, and central nervous system, while dermal exposure has been connected with an increased incidence of liver and kidney tumors in mice. Production of first-degree burns, skin irritation, occupational asthma, kidney, and liver injury risk, and potential skin sensitization are some other adverse effects associated with diethanolamine.

Diethylene Glycol Monobutyl Ether

Diethylene glycol ethers is a chemical that has been found to have hematologic, liver, and kidney effects. Exposure to large amounts, about 250 mg/kg/day, can lead to central nervous system depression and other organ damage in rats and may decrease red blood cell counts. It does not show genotoxic, mutagenic, liver, kidney, blood, or reproductive toxicity in animals or humans, but it is classified as an exceptional allergen. The material can be absorbed through the skin and is identified as a mild skin irritant and a severe eye irritant. Notably, its toxicity is lower than that of ethylene glycol ethers.

Methyl Ethyl Ketone

Methyl ethyl ketone (MEK), is a manufactured chemical found naturally in some trees, fruits, and vegetables, and is released from vehicle exhausts. The colorless liquid with a sharp, sweet odor is primarily used in paints, coatings, glues, and as a cleaning agent due to its quick evaporation and solubility properties. Human exposure can result in irritation to the eyes, nose, throat, and long-term inhalation can cause mild neurological, liver, kidney, and respiratory effects in animals. Developmental effects like decreased fetal weight and malformations have been observed in mice and rats. While the EPA has not classified it for human carcinogenicity, it is listed as a potential substance for narcotic abuse by inhalation by the U.N. International Drug Control Programme due its potential to cause Central Nervous System depression.

Monoethanolamine

2-Aminoethanol is a colorless, viscous liquid that, despite not being registered for pesticide use in the U.S, holds vast potential in a variety of applications. It can be used in cutting fluids, production of soaps, surfactants, salts, corrosion control inhibitors, pharmaceuticals, and even in protective topical solutions against chemical warfare agents. Used as a pharmaceutical adjuvant, 2-Aminoethanol is effective as a solvent for fats and oils and in creating emulsion formulas like lotions and creams. However, it poses health risks, as a 5.9% concentration can irritate human skin and inhalation may cause allergic reactions, liver damage, and liver symptoms.

Hydrochloric Acid

Hydrochloric acid is used in multiple industries like chlorides, fertilizers, dyes, electroplating, and others. It has dangerous health effects like irritation and inflammation of eyes, nose and respiratory tract, and pulmonary edema after short-term inhalation; corrosion to mucous membranes, esophagus, and stomach and severe burns after oral exposure; dermatitis, photosensitization, gastritis and chronic bronchitis after long-term occupational exposure. While the EPA hasn't classified hydrochloric acid for carcinogenicity, many chemicals can spill to release HCl in water.

Phosphoric Acid

Phosphoric acid, in liquid or solid form, can cause second-degree burns upon contact within minutes. It's usually shipped as a solid or an 85% solution and is corrosive to skin when the concentration is over 70%. This acid is also an irritant to the eyes, skin, and upper respiratory tract, however, the risk of pulmonary edema is minimal.

Sodium Hydroxide

Sodium hydroxide, also known as caustic soda or lye, is an odorless white crystalline solid that absorbs moisture from the air. It generates significant heat when dissolved in water or neutralized with acid which may ignite combustible materials. It is highly corrosive and is typically used as a solid or in a 50% solution. Sodium hydroxide is used to manufacture a variety of products including soaps, rayon, paper, explosives, dyestuffs, and petroleum products. Exposure to this substance may cause severe burns, necrosis, and pulmonary edema, depending on the concentration and exposure method.

Potassium Hydroxide

Potassium hydroxide 30-70% is a liquid that is highly corrosive to skin, causing second or third-degree burns even after brief contact. It is a hazardous substance that can also induce pulmonary edema, a condition characterized by excessive fluid in the lungs. The effects and properties of this chemical can be compared to those of Sodium hydroxide.

Triethanolamine

Triethanolamine appears to cause occupational asthma and allergic contact dermatitis in machinists and photographers, as well as liver and kidney damage in animals with high-dose feeding. It's noted to be an irritant to the skin, eyes, and respiratory tract, with potential to cause skin sensitization, though the rate of skin sensitization in humans is low. Triethanolamine has low acute toxicity, with median oral LD50 values of 4,190-11,260 mg/kg in rats and 5,300-8,000 mg/kg in guinea pigs, and a median dermal LD50 greater than 2,000 mg/kg in rabbits. Triethanolamine is not carcinogenic, developmental toxicant, or toxic to the reproductive system. However, chronic exposure may lead to liver and kidney damage.

Ethanolamine

Ethanolamine is a liquid that can cause first-degree burns on short exposure. It is known to be a skin irritant and can cause allergic contact dermatitis. Occupational exposure, notably among hairdressers, has been linked to asthma. Inhalation of ethanolamine in high concentrations can lead to Central Nervous System (CNS) depression and can be toxic to the liver, as shown in subchronic inhalation studies in animals. It is also a skin, eye, and respiratory tract irritant, with the potential to sensitize the skin.

Toluene

Toluene is a clear, colorless liquid that naturally occurs in crude oil and the tolu tree. It's prominent in the production of gasoline, coke from coal, and various consumer products like paints, adhesives, and nail polish. Toluene is even added to gasoline, used to create benzene, and acts as a solvent. However, exposure to toluene, especially from inhalation, can have serious health effects. It primarily targets the central nervous system, inducing symptoms like fatigue, nausea, headaches, and in chronic cases, can cause severe dysfunction. Exposure has also been linked to developmental effects in children, but there isn't enough evidence to conclude its carcinogenic potential. Abuse of toluene can cause permanent brain damage, liver injury, and even potential birth defects or increased risk of spontaneous abortions in pregnant women. Despite these risks, cognitive deficits from toluene exposure below a threshold limit value (TLV) of 50 ppm remain extremely low.

Methylisothiazolinone

Methylisothiazolinone can reportedly cause allergic contact dermatitis in workers who interact with products containing it. This substance is recognized as a contact allergen for consumers using cosmetics that include it. It can cause skin burns and sensitization, and inhaling it may lead to corrosive injuries in the upper respiratory tract and lungs. Ingesting this substance is harmful, and inhalation is toxic. This preservative is linked to the category of isothiazolinones.

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Benzene

Benzene is a colorless, sweet-smelling, highly flammable liquid that evaporates quickly into the air and slightly dissolves in water. It's a byproduct of both natural processes and human activities, used extensively in the U.S production of other chemicals for plastics, resins, nylon, rubbers, lubricants, dyes, detergents, drugs, and pesticides. Present in crude oil, gasoline, and cigarette smoke, benzene is also released into the air from burning coal, oil, gasoline stations, and vehicle exhaust. Short-term exposure may cause drowsiness, dizziness, and irritation, while long-term exposure leads to blood disorders, reproductive effects, and even leukemia. Benzene has been classified by EPA as a known human carcinogen, and regulations apply to various industry sectors with potentially high exposure risks.

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Butoxydiglycol

Diethylene glycol ethers is a chemical that has been found to have hematologic, liver, and kidney effects. Exposure to large amounts, about 250 mg/kg/day, can lead to central nervous system depression and other organ damage in rats and may decrease red blood cell counts. It does not show genotoxic, mutagenic, liver, kidney, blood, or reproductive toxicity in animals or humans, but it is classified as an exceptional allergen. The material can be absorbed through the skin and is identified as a mild skin irritant and a severe eye irritant. Notably, its toxicity is lower than that of ethylene glycol ethers.

Diethylene Glycol Monoethyl Ether

Diethylene Glycol Monoethyl Ether, when administered orally or through the skin in doses exceeding 800-1000 mg/kg/day, can cause central nervous system depression and changes to the liver and kidneys in animals. However, it doesn't exhibit significant developmental toxicity at these levels. The chemical is not expected to have adverse effects unless workers are exposed to its heated liquid mists. It is an eye irritant and provokes harm to the central nervous system, liver, kidneys, red blood cells, and reproductive system in animal feeding studies. Despite these potential harms, it is poorly absorbed through the skin.

Ethylene Glycol

Ethylene glycol is a synthetic, odorless liquid with a sweet taste and water absorption properties. It is commonly used in antifreeze and de-icing solutions for vehicles, hydraulic brake fluids, and certain inks. Although lethal in large ingested quantities, leading to central nervous system depression, cardiopulmonary effects, and renal damage, exposure to low levels can cause minor throat and upper respiratory tract irritation. Chronic exposure in animals has demonstrated kidney toxicity and liver effects. Despite its potential toxicity, ethylene glycol poisoning is unlikely through skin contact and inhalation at room temperature due to its low volatility, though caution should be taken if the liquid is heated or sprayed.

Glutaraldehyde

Glutaraldehyde is a colorless, sharp-smelling oily liquid used for a variety of purposes, such as disinfection, sterilization of surfaces, oil and gas recovery, waste water treatment, x-ray processing, leather tanning, paper production, and as chemical intermediate for various other materials. It can also be found in select products like paint and laundry detergent. Although widely used, Glutaraldehyde can cause several health issues, including effecting asthma, allergic contact dermatitis, irritation to skin and respiratory tract, and in high concentrations, toxic hepatitis in mice. It's known to cause severe irritation to eyes and skin, and even small vapor concentrations can result in throat and nose irritation. Reports suggest that it was connected to 9% of work-related asthma cases among healthcare workers over a five-year period.

Glycolic Acid

Glycolic Acid is corrosive to the skin and eyes, with 70% technical solutions causing severe burns. It also irritates the respiratory tract and may lead to kidney failures. The chemical can cause burns when inhaled, leading to possible injuries to the upper respiratory tract and lungs. It is also harmful if ingested.

Methylchloroisothiazolinone

5-chloro-2-methyl-4-isothiazolin-3-one (CMI) is a compound frequently used as a preservative in cosmetics, hygiene products, and other industrial applications such as hydraulic fracturing fluids. It can also be deployed as a pesticide in the U.S, pending regulatory approval. CMI, which is often used in combination with 2-methyl-4-isothiazolin-3-one (MI), can cause contact dermatitis in humans. Various animal studies have shown that a high exposure to a CMIT/MIT mixture can cause alterations in rats' liver function. The production and use of CMI in a range of products mean it can be release into the environment, with some susceptibility to degradation through photolysis in sunlight. Its mobility in soil is high but volatilization from soil or water surfaces is not expected to be significant. Occupational and general exposure to CMI can occur especially through inhalation and dermal contact with CMI-containing products.

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Nonylphenol ethoxylate

Nonylphenol ethoxylate, commonly found in cleaning products, has been linked to allergic contact dermatitis among workers. It is a strong eye irritant, causing mild to severe eye irritation, possible corneal injury, and mild skin irritation. Inhalation can be harmful. It has been shown to cause changes in liver functions and have demonstrated effects on the liver, kidney, and fetus at doses that are toxic to mothers (maternally toxic) in non-mammalian species. Despite these effects, there is no reported teratogenicity, carcinogenicity, or skin sensitization associated with nonylphenol ethoxylate in experimental animals and human studies.

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About The Author

Camille May

Hey, I’m Camille, co-creator of Welpr and your clean living guide. After selling my last company in the health food space, I went non-toxic to heal an autoimmune condition. It did wonders for my health, but navigating which products to buy wasn’t easy. We created Welpr to make that journey feel a little bit easier. When I’m not working on Welpr, you can find me at the farmers market or unwinding in the sauna, always in bed at 9pm with a good book. I live in my hometown of Austin, TX with my pit bull, Romeo.