What you should know when choosing non-toxic glass & window cleaner 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 Glass & Window Cleaner

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.

Nature+ Window & Glass Cleaner, Citrus Zest - Attitude

Nature+ Window & Glass Cleaner, Citrus Zest - Attitude
Welpr Rating
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Welpr rating icon
4.85
/5
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on Amazon

Certifications

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<p>The EWG Verified certification indicates that a product meets rigorous health and environmental safety standards, provide full ingredient transparency, and avoid harmful substances. <a href="https://www.ewg.org/guides/cleaners/3500-AttitudeNatureWindowMirrorCleanerCitrusZest/" 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. <a href="https://crueltyfree.peta.org/company/attitude-bio-spectra/" target="_blank">Source</a>.</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>

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
$5.63

Product Details

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  • EWG Verified: Clean ingredients and full transparency
  • Made with ≥ 94% naturally sourced ingredients
  • Contains powerful naturally sourced ingredients with cleaning properties
  • Bottle made from easily recyclable HDPE #2 plastic
  • 100% vegan and cruelty-free, PETA certified
  • Effective in eliminating grease and dirt from glass and mirrors
  • Infused with a crisp, refreshing aroma blending citrus, floral, and herbaceous lavender notes

Pros & Cons

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Pros Mentioned

  • Effective
  • Affordable
  • Eco-friendly

Cons Mentioned

  • Greasy

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: <5% Non-Ionic Surfactants (Caprylyl Glucoside, Myristyl Glucoside), Contains Also: Water, Acetic Acid, Sapindus Mukorossi Fruit Extract (Saponins), Triethyl Citrate, Terpineol Acetate, Terpineol, Tetrahydrolinalool, Fragrance

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.

Glass & Window Vinegar Wash, Lavender - Aunt Fannie's

Glass & Window Vinegar Wash, Lavender - Aunt Fannie's
Welpr Rating
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Welpr rating icon
4.85
/5
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on Amazon

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/6451-AuntFanniesGlassWindowVinegarWash/" 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/aunt-fannies" target="_blank">Source</a>.</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. A GREAT user satisfaction score indicates the product is in the middle third of the best products.
Est. Price
$11.99

Product Details

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  • Uses the power of vinegar and plant-based cleaners for effective cleaning.
  • Capable of removing smudges, fingerprints, rain spots, oil, and dirt without leaving streaks.
  • Applicable on various surfaces including windows, mirrors, light fixtures, chrome, and stainless steel.
  • Recommended for use with a microfiber cloth for optimal results.
  • Formulated with natural ingredients like vinegar, plant-based cleaner, and essential oils, providing a neutral scent with a hint of lavender.
  • Dermatologist-tested and hypoallergenic, ensuring suitability for sensitive users.
  • A-rated by the Environmental Working Group (EWG) for safety and environmental impact.
  • Cruelty-free, vegan, and made in the USA, highlighting ethical manufacturing practices.
  • Aligned with the Environmental Working Group to reduce environmental impact and improve product safety.

Pros & Cons

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Pros Mentioned

  • Effective
  • Streak-free
  • Pleasant

Cons Mentioned

  • Streaky

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: Distilled White Vinegar, Sugar Surfactant (Caprylyl/Myristyl Glucoside), Polyglyceryl-6 Caprylate, Polyglyceryl-4 Caprate, Rosemary Oil, Eucalyptus Oil, Peppermint Oil, Orange Peel Oil, Lavandin Oil

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.

Homesolv Window & Glass Cleaner, Valencia Orange - Citra Solv

Homesolv Window & Glass Cleaner, Valencia Orange - Citra Solv
Welpr Rating
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Welpr rating icon
4.85
/5
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on Amazon

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/273-CitraSolvHomesolvNaturalWindowGlassCleaner/?formulation=5883" target="_blank">Source</a>.</p>
<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>
<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/homesolv" 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. <a href="https://crueltyfree.peta.org/company/citra-solv-llc/" target="_blank">Source</a>.</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>

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
$16.36

Product Details

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  • Formulated with real citrus extracts and vinegar for enhanced cleaning power
  • Leaves a streak-free, shiny surface on glass, counters, chrome, and appliances
  • Provides a superior shine with every use

Pros & Cons

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Pros Mentioned

  • Effective
  • Natural
  • Safe

Cons Mentioned

  • Breaks

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, Acetic Acid (Vinegar), Decyl Glucoside, Citrus Aurantium Dulcis (Orange) Peel Oil

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 Cleaner, Disinfectant & Deodorizer, Unscented - Force Of Nature

Multi-Purpose Cleaner, Disinfectant & Deodorizer, Unscented - Force Of Nature
Welpr Rating
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Welpr rating icon
4.85
/5
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on Amazon

Certifications

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<p>The Green Seal certification signifies that a product has been rigorously evaluated against strict environmental and health standards, ensuring it meets high benchmarks for sustainability and safety. <a href="https://certified.greenseal.org/product/force-of-nature-multi-purpose-cleaner-disinfectant-hci-cleaning-products-force-of-nature" target="_blank">Source</a>.</p>
<p>The EPA Registered certification confirms that a pesticide, including disinfectants, has undergone rigorous evaluation and meets stringent federal standards for safety and effectiveness. <a href="https://ordspub.epa.gov/ords/pesticides/f?p=PPLS:8:::::P8_PUID,P8_RINUM:524191,93040-1" target="_blank">Source</a>.</p>
<p>The CarbonNeutral certification confirms that a business has achieved true carbon neutrality.</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/force-nature-2" 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
$79.50

Product Details

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  • Kills 99.9% of germs, viruses, and bacteria using electrolyzed water comprised of tap water and a capsule containing salt, water, and vinegar.
  • Approved by the federal Environmental Protection Agency as a disinfectant and sanitizer with registration number 93040-1.
  • Replaces multiple cleaners including those for kitchens, bathrooms, and glass, functioning as a disinfectant and deodorizer as effective as bleach on numerous surfaces.
  • Utilizes non-toxic chemicals, free from added fragrances, dyes, preservatives, surfactants, or irritants; safe to use without gloves and does not require rinsing on baby or pet toys.
  • Environmentally friendly, designed to reduce plastic waste by using recyclable activator capsules that lower plastic waste by 97%.
  • Product set includes a 12 oz Electrolyzer Appliance, Power Cord, 5 Activator Capsules, a 12 oz Reusable Spray Bottle, a Quick Start Guide, and a User Manual.
  • Effective for hard non-porous surfaces against pathogens like Staph, MRSA, Salmonella, Norovirus, Listeria, Influenza A, and Pseudomonas when used as directed.
  • Recommended to use cleaner within 2 weeks of production for maximum potency.
  • Suitable for use in a variety of establishments including hospitals, schools, restaurants, and homes.
  • Tips for homes with hard water: Use of a water softener or reverse osmosis filtered water is suggested to prevent mineral interference and prolong appliance life.

Pros & Cons

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Pros Mentioned

  • Effective
  • Easy
  • Safe

Cons Mentioned

  • Leaky

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, Salt, Vinegar

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.

Spray Glass Cleaner, Mint - Method

Spray Glass Cleaner, Mint - Method
Welpr Rating
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Welpr rating icon
4.8
/5
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Certifications

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<p>Products rated EWG-B are generally safe and offer good ingredient transparency, even if they have a few moderate-concern components. <a href="https://www.ewg.org/guides/cleaners/2461-methodSprayGlassCleaner/" target="_blank">Source</a>.</p>

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>

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
$9.52

Product Details

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  • Comes in a 28-ounce bottle of glass cleaner.
  • Made with plant-based ingredients for shine power.
  • Provides a fresh-smelling, streak-free shine without the use of ammonia.
  • Effective at eliminating dirt, dust, and handprints for a gleaming, streak-free shine.
  • Usable on windows, glass tile, glass tables, and mirrors.
  • Cruelty-free product, not tested on animals.
  • Features a Mint fragrance composed of wild mint, crisp peppermint, and refreshing eucalyptus.
  • Bottle is made from 10% recycled plastic (PCR), excluding the nozzle.
  • Company focuses on doing business with a purpose.

Pros & Cons

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Pros Mentioned

  • Effective
  • Refreshing
  • Eco-friendly

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: Water, Ethanol, Sodium Carbonate, Decyl Glucoside, Caprylyl Glucoside, Potassium Hydroxide, Fragrance, Polymeric Pink, Polymeric Blue

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.

Glass Cleaner, Lemon & Eucalyptus - Grove Co.

Glass Cleaner, Lemon & Eucalyptus - Grove Co.
Welpr Rating
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Welpr rating icon
4.75
/5
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on Amazon

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>
<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/grove-collaborative/" target="_blank">Source</a>.</p>
<p>The Plastic Neutral Certified label indicates that a brand has measured and offset its plastic footprint by supporting equivalent plastic waste recovery and recycling efforts. <a href="https://repurpose.global/brand-partners/grove-collaborative" 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/grove-co" 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 GREAT user satisfaction score indicates the product is in the middle third of the best products.
Est. Price
$26.99

Product Details

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  • Provides streak-free cleaning for glass and mirror surfaces.
  • Formulated with 100% natural fragrances derived from essential oils and plant extracts.
  • Offers various fragrances, including Lemon & Eucalyptus, Lavender & Thyme, and Orange & Rosemary.
  • Includes a durable, reusable glass spray bottle with a silicone sleeve and customizable Slide & Snap labeling system.
  • Designed with sustainable packaging, utilizing infinitely recyclable glass and recycled paper to reduce plastic waste.

Pros & Cons

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Pros Mentioned

  • Effective
  • Eco-friendly
  • Fragrant

Cons Mentioned

  • Leaking

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, Caprylyl/Capryl Glucoside, Caprylyl/Myristyl Glucoside, Sodium Gluconate, Potassium Carbonate, Natural Fragrance, Benzisothiazolinone, Methylisothiazolinone, Tetra Sodium Glutamate Diacetate, D-Limonene, Citral, Linalool, Geraniol

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.

Glass Cleaner Spray, Natural - Biokleen

Glass Cleaner Spray, Natural - Biokleen
Welpr Rating
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Welpr rating icon
4.6
/5
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on Amazon

Certifications

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<p>Products rated EWG-B are generally safe and offer good ingredient transparency, even if they have a few moderate-concern components. <a href="https://www.ewg.org/guides/cleaners/2987-biokleenGlassCleanerSpray/?formulation=6450" target="_blank">Source</a>.</p>

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
$19.99

Product Details

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  • Uses vinegar and plant-derived cleaning agents to remove dust, dirt, grease, smoke, and soil from glass surfaces
  • Provides a streak-free shine on mirrors, windows, chrome, shower doors, and cars
  • Simple application: spray onto shiny surfaces and wipe dry with a lint-free rag
  • Safer Choice Certified, safe for use around kids and pets
  • Free from ammonia, chlorine, phosphates, and preservatives
  • Never tested on animals
  • Manufactured in the USA using biodegradable ingredients
  • Highly concentrated formula to reduce packaging, waste, and energy use

Pros & Cons

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Pros Mentioned

  • Effective
  • Eco-friendly
  • Non-toxic

Cons Mentioned

  • Streaky

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, Limonene (Plant-Derived), Sodium Methyl 2-Sulfolaurate (Plant-Derived), Sodium Citrate (Plant-Derived), Acetic Acid (Plant-Derived), Isopropyl Alcohol, C12-16 Pareth-7 (Plant-Derived), Lauryl Glucoside (Plant-Derived), Citrus Grandis Seed Extract (Plant-Derived), Phenoxyethanol, Tetrasodium Glutamate Diacetate (Plant-Derived), And Decyl Glucoside

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.

Multipurpose Surface Cleaner, Fresh Linen - L'Avant Collective

Multipurpose Surface Cleaner, Fresh Linen - L'Avant Collective
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/lavant-collective" 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
$22.99

Product Details

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  • Provides a powerful clean to remove grease and grime
  • Features a fresh linen scent
  • Bottle made from recycled plastic
  • Refillable using multipurpose concentrate
  • To use: spray on surface and wipe with a clean, dry cloth; for tougher messes, let sit for 30 seconds before wiping
  • Cruelty-free and never tested on animals
  • Leaping Bunny certified

Pros & Cons

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Pros Mentioned

  • Fragrant
  • Cleans
  • Non-toxic

Cons Mentioned

  • Leakage

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, Propanediol, Alkyl Polyglucoside, Sodium Gluconate, Sodium Carbonate, Denatured Alcohol, Citric Acid, Caprylhydroxamic Acid, 1, 2 Hexanediol, Natural Fragrance, Ocimum Basilicum (Basil) Oil, Citrus Limon (Lemon) Peel Oil, Lavandula Angustifolia (Lavender) Oil, Pelargonium Graveolens (Geranium) Oil, Salvia Sclarea (Clary Sage) Oil

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.

Sparkling Glass Spray, Peppermint & Lemon - Rebel Green

Sparkling Glass Spray, Peppermint & Lemon - Rebel Green
Welpr Rating
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Welpr rating icon
4.6
/5
Buy Now
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on Amazon

Certifications

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<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/rebel-green/" 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/rebel-green" target="_blank">Source</a>.</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. A GREAT user satisfaction score indicates the product is in the middle third of the best products.
Est. Price
$22.95

Product Details

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  • Protects, revitalizes, and guards glass and mirror surfaces
  • Formulated with ingredients derived from plant-based, renewable, and sustainable resources
  • Part of the Natural Cleaning Revolution aimed at building a safer, cleaner planet

Pros & Cons

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Pros Mentioned

  • Sparkle
  • Streak-free
  • Fresh

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, N-Methyl-Alkyl Glucamide And Propylene Glycol (Sulfate Free, Sugar Based Surfactant), Sodium Carbonate, Ethanol, Mentha Piperitas And Citrus Limon Peel Oil (Fragrance), Citric Acid

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 Glass & Window Cleaner

Chemical Name

Why it’s harmful

Ammonium Hydroxide

Ammonium hydroxide is a corrosive substance that can cause injury to the skin, eyes, and respiratory tract. High concentrations, either through inhalation or prolonged exposure, can lead to significant respiratory issues, including inflammation, pneumonia, and pulmonary edema. It is used in various industries such as fertilizers, dyes, explosives, plastics, and cleansing agents, among others. Due to its intense pungency and potential to cause extreme irritation and even life-threatening conditions, precautions such as wearing protective clothing and immediate cleansing of affected areas are recommended. It should be stored away from combustibles and heavy metals, in well-ventilated areas and in specified containers. Disposal guidelines also need to be referred from environmental regulatory agencies due to the hazardous nature of the substance.

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.

Sources: 
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.

Sources: 
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.

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.

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.

2-Butoxyethanol

Butoxyethanol studies show severe effects in mice including hemoglobinuria and changes to the lungs, kidneys, and liver. Human volunteers exposed to 200 ppm for 8 hours showed no adverse effects except for mucous membrane irritation. There is, however, limited evidence of spontaneous abortions and decreased sperm counts in humans, and more conclusive evidence of birth defects and testicular damage in animals. Humans are resistant to butoxyethanol-induced red blood cell hemolysis.

Isopropyl Alcohol

Isopropyl alcohol has been shown to cause narcosis in animals during acute studies, as cited by ACGIH. However, according to research by Zimmerman, it is not hepatotoxic in either experimental animal studies or in human exposures. It's known to be a skin, eye, and respiratory tract irritant, and if inhaled in high concentrations, it can cause CNS depression, as indicated by the ICSC.

Benzisothiazolinone

Isothiazolinones are preservatives known to cause allergic contact dermatitis, primarily in workers involved in manufacturing industries like paint, paper, rubber, and air fresheners. Additionally, there's a reported case of occupational asthma from exposure to this chemical among workers.

Benzyl Alcohol

Benzyl alcohol can occasionally lead to allergic contact dermatitis or occupational contact urticaria. It can irritate the skin and eyes, and inhalation at high quantities can result in central nervous system effects. Rats exposed to high concentrations showed no deaths, however, it has caused fatalities in premature infants when given in IV solutions at doses over 4.5mg/kg a day. The substance is quickly metabolized to hippuric acid and is noted as a known contact allergen in humans.

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.

Ethyl Acetate

Ethyl acetate is a volatile substance, recognized by the U.N. International Drug Control Programme for its potential to cause narcosis when inhaled. It is also listed as an irritant to the eyes and respiratory tract. Furthermore, when subjected to high concentrations, ethyl acetate can cause adverse effects on the Central Nervous System (CNS).

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.

Ethylene Oxide

Ethylene oxide is a flammable, sweet-smelling gas that easily dissolves in water. This man-made compound is primarily used to create ethylene glycol, which is used to make antifreeze and polyester, and is also used in small quantities for controlling insects in stored agricultural products, sterilizing medical equipment and fumigating spices. Ethylene oxide may cause irritation of the eyes, skin, nose, throat, and lungs, damage to the brain and nervous system, reproductive effects, and is considered by the EPA to be carcinogenic if inhaled. Exposure risks, which are notably prevalent for healthcare workers engaged in sterilization tasks, include CNS depression, eye and mucous membrane irritation and in some cases, cataracts. Despite these hazards, there are conflicted reports regarding ethylene oxide's carcinogenicity in humans.

Butylphenyl Methylpropional

Butylphenyl methylpropional, also known as lilial, is a chemical compound commonly used in cosmetics and laundry powders. It is found naturally in crow-dipper and tomato plants and is also produced synthetically in large quantities. In May 2019, the EU's Scientific Committee on Consumer Safety (SCCS) deemed its use in cosmetics as unsafe. Following animal studies indicating reproductive toxicity, the EU banned its use in cosmetics by March 2022. Moreover, butylphenyl methylpropional can sometimes serve as an allergen, potentially leading to contact dermatitis in susceptible individuals.

Galaxolide

Galaxolide is recognized as an established contact allergen in humans, according to the Scientific Committee on Consumer Safety's 2011 report on fragrance allergens in cosmetic products. This compound has been identified as a reproductive effector and acts as a moderate skin irritant, as documented in The Registry of Toxic Effects of Chemical Substances (RTECS).

Laureth-7

Laureth-7, a surfactant derived from lauryl alcohol sourced from coconut or palm oil, is commonly used in personal care and household products, especially laundry detergents. In detergents, it functions by reducing surface tension between water and soil, aiding in the removal of dirt, stains, and oils from fabrics. This ingredient belongs to the Polyethylene Glycols (PEGs) family, which is found in various consumer goods. Despite past contamination concerns, modern manufacturing processes have addressed and eliminated these issues. Although PEGs are not used in certain personal care products, their inclusion in machine detergents is deemed acceptable since they don't directly touch the skin.

d-Limonene

d-Limonene is a liquid with a lemon-like smell, often used as a solvent to substitute for more volatile and toxic organic solvents. When it comes into contact with air, it can oxidize, and this oxidized form is a known skin sensitizer, capable of irritating skin and eyes. The combination of d-limonene and l-limonene is known as limonene or dipentene. The estimated lethal dose for humans is between 0.5 to 5 g/kg, and studies have shown that it can cause diarrhea and liver effects when ingested in high doses.

Linalool

Linalool is a naturally occurring terpene alcohol found in many flowers and spice plants, consisting of two enantiomers. It is widely used in commercial products for its pleasant floral and spicy scent, serving as a key ingredient in soaps, fragrances, food flavors, household products, and insecticides. In plants, linalool functions as a metabolite, volatile oil component, antimicrobial agent, and aroma compound. Acute exposure to linalool can lead to central depressive effects with symptoms such as ataxia, reduced motor activity, and respiratory disturbances. Additionally, inhalation, oral intake, or skin absorption can result in irritation, pain, and allergic reactions.

Ethylene Glycol Monobutyl Ether Acetate

Ethylene glycol ethers are associated with kidney injuries in rats and rabbits during 10-month inhalation toxicology studies. In humans, there's limited evidence revealing spontaneous abortions and decreased sperm counts as potential side effects. The substance is also linked to birth defects and testicular damage in animals, based on strong, positive evidence.

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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.