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.

What we look for:

  • Thoughtful formulas made with natural or safe synthetic ingredients
  • Free from parabens, PEGs, phthalates, harsh sulfates, BHA/BHT, artificial dyes, formaldehyde-releasing ingredients, and undisclosed synthetic fragrance (unless certified safe)
  • Minimal, well-chosen preservatives
  • Trusted third-party certifications when available
  • Transparent sourcing, ingredient lists, and manufacturing practices

View our full standards here.

Our Methodology and Ratings

Find Non-Toxic Belly 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 personal care and cosmetic products on Welpr.

Pregnant Belly Oil - Motherlove

Pregnant Belly Oil - Motherlove
Welpr Rating
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Welpr rating icon
4.95
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>Products rated <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG-1</a> indicate a top choice for personal care products, have a low potential hazard rating, and good or robust ingredient transparency. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/1054441-Motherlove_Pregnant_Belly_Oil/" target="_blank">Source</a>.</p>
<p>The <a href="https://www.welpr.com/certifications#usda-organic" target="_blank">USDA Organic certification</a> confirms that agricultural products meet strict organic standards, ensuring sustainable practices from farm to consumer. <a href="https://organic.ams.usda.gov/integrity/CP/OPP?cid=62&nopid=8150001410&ret=Home&retName=Home" target="_blank">Source</a>.</p>
<p>The <a href="https://www.welpr.com/certifications#certified-b-corp" target="_blank">B Corp certification</a> indicates that a company meets high social and environmental standards.</p>
<p>The <a href="https://www.welpr.com/certifications#leaping-bunny" target="_blank">Leaping Bunny certification</a> assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System.</p>

Highlights

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This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is made with organic materials, reducing exposure to pesticides and chemicals linked to hormone, fertility, and neurological issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.

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
$24.99
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Product Details

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  • Helps soothe itchy skin and prevent stretch marks during pregnancy.
  • Quickly absorbed with a lightweight formula that nourishes the skin.
  • Made with non-GMO apricot oil and organic herbs for a clean ingredient profile.
  • Certified cruelty-free and manufactured in a solar-powered, zero-waste facility.
  • Ideal for massaging onto tummy, breasts, and hips during pregnancy.

Pros & Cons

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Pros

  • Lightweight yet moisturizing, perfect for daily use.
  • Natural, soothing scent enjoyed by many.
  • Seems effective in promoting smooth and supple skin.
  • Long-lasting formula that stays hydrated all day.

Cons

  • The pump could be improved for easier application.
  • Some might find the scent peculiar when first applied.

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 INCIDecoder.


Ingredients: Apricot Oil, Marshmallow Root*, Rosehips*, Lavender Flower*, Chamomile Flower*, Calendula Flower*

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 personal care and cosmetic products on Welpr.

Pregnancy Stretch Mark Prevention Oil - Attitude

Pregnancy Stretch Mark Prevention Oil - Attitude
Welpr Rating
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Welpr rating icon
4.95
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>The <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG Verified certification</a> indicates that a product meets rigorous health and environmental safety standards, provide full ingredient transparency, and avoid harmful substances. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/665017-ATTITUDE_Blooming_Belly_Stretch_Oil_Almond__Argan/" target="_blank">Source</a>.</p>
<p>The <a href="https://www.welpr.com/certifications#peta-certified" target="_blank">PETA certification</a> 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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This product is free from heavy metals like lead and cadmium, which can build up in the body and are linked to developmental, reproductive, and organ toxicity.
This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This brand uses sustainable packaging to reduce waste and environmental impact.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.

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
$17.41
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Product Details

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  • Formulated with 100% ingredients of natural origin to restore skin suppleness.
  • Enhances skin elasticity to prevent stretch marks during and after pregnancy.
  • EWG verified for clean ingredients and full transparency.
  • Dermatologically tested and suitable for delicate skin.
  • Contains nourishing argan oil, ideal for maintaining skin in good condition.
  • Fragrance-free, making it suitable for those sensitive to fragrances.

Pros & Cons

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Pros

  • Rich in clean, naturally sourced ingredients like argan and coconut oils.
  • Effective at keeping skin soft and moisturized throughout the day.
  • EWG VERIFIED for non-toxic, safe use during pregnancy.
  • Subtle, pleasant scent that enhances the skincare experience.
  • Eco-friendly packaging promotes sustainability.

Cons

  • Some users found the oil thick, making it difficult to spread evenly.
  • Lack of expiration date information might concern users prioritizing transparency.

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 INCIDecoder.


Ingredients: Cocos Nucifera (Coconut) Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Argania Spinosa (Argan) Kernel Oil, Hydrogenated Soy Polyglycerides, C15-23 Alkane (Vegetable), Rosmarinus Officinalis (Rosemary) Leaf Extract, Helianthus Annuus (Sunflower) Seed 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 personal care and cosmetic products on Welpr.

Belly Oil - Pipette

Belly Oil - Pipette
Welpr Rating
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Welpr rating icon
4.95
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>The <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG Verified certification</a> indicates that a product meets rigorous health and environmental safety standards, provide full ingredient transparency, and avoid harmful substances. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/900354-Pipette_Belly_Oil/" target="_blank">Source</a>.</p>
<p>The <a href="https://www.welpr.com/certifications#peta-certified" target="_blank">PETA certification</a> identifies cosmetics, personal-care, and household products as cruelty-free ensuring no animal testing or animal-derived ingredients are used worldwide.</p>
<p>The <a href="https://www.welpr.com/certifications#leaping-bunny" target="_blank">Leaping Bunny certification</a> assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System.</p>

Highlights

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This product is vegan, meaning it contains no animal-derived ingredients—look for a certification like PETA or Vegan.org to verify the claim.
This product is free from heavy metals like lead and cadmium, which can build up in the body and are linked to developmental, reproductive, and organ toxicity.
This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.

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
$28.89
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Product Details

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  • Nourishes and calms dry, itchy skin with safe, pure ingredients.
  • Locks in moisture and supports skin with antioxidant vitamin E.
  • Contains squalane for weightless, balanced hydration.
  • Dermatologist-tested and hypoallergenic for sensitive skin.
  • Free from synthetic fragrances, vegan and cruelty-free.

Pros & Cons

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Pros

  • Great smell and lightweight feel, suitable for sensitive skin.
  • Quick absorption and long-lasting hydration without greasiness.
  • Made with safe, effective ingredients, EWG approved.
  • Ideal for both pregnancy and everyday use, keeping skin soft and smooth.

Cons

  • Some users find the bottle challenging to use, potentially wasting oil.
  • A few individuals may not prefer the scent despite its popularity.

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 INCIDecoder.


Ingredients: Squalane, Caprylic/Capric Triglyceride, Rosa Canina Fruit Oil, Vitis Vinifera (Grape) Seed Oil, Helianthus Annuus (Sunflower) Seed Oil, Ceramide Np, Physalis Angulata Extract, Calendula Officinalis Flower Extract, Zanthoxylum Bungeanum Fruit Extract, Oleyl Alcohol, Citrus Aurantium Amara (Bitter Orange) Peel Oil, Tocopherol, Linalool, Limonene, 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 personal care and cosmetic products on Welpr.

Belly Oil for Pregnancy, Stretch Marks, & Maternity Scars - EllaOla

Belly Oil for Pregnancy, Stretch Marks, & Maternity Scars - EllaOla
Welpr Rating
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Welpr rating icon
4.9
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>The <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG Verified certification</a> indicates that a product meets rigorous health and environmental safety standards, provide full ingredient transparency, and avoid harmful substances. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/1012346-EllaOla_Nourishing_Belly_Oil/" target="_blank">Source</a>.</p>

Highlights

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This product is vegan, meaning it contains no animal-derived ingredients—look for a certification like PETA or Vegan.org to verify the claim.
This product is free from heavy metals like lead and cadmium, which can build up in the body and are linked to developmental, reproductive, and organ toxicity.
This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
The Made in USA label indicates that a product has substantial U.S. content and manufacturing.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.
This product is free from all fragrance.

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
$15.00
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Product Details

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  • Infused with over 15 natural botanical extracts, the oil intensely moisturizes and helps reduce the appearance of stretch marks and scars.
  • Contains centella asiatica and French marine algae, which are clinically proven to improve skin elasticity and reduce visible marks.
  • Includes naturally derived vitamin C to brighten uneven skin tone and enhance skin texture.
  • Formulated without fragrances or essential oils, making it ideal for sensitive skin and those sensitive to smells during pregnancy.
  • Developed by dermatologists and OBGYNs, it is plant-based, vegan-friendly, and free from parabens and gluten.
  • Fast-absorbing and non-greasy, suitable for daily full-body application to keep skin moisturized and supple.

Pros & Cons

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Pros

  • Leaves skin feeling soft and luxurious.
  • Absorbs quickly without leaving stains.
  • Contains organic and safe ingredients, ideal for sensitive skin.
  • Works effectively to lighten stretch marks.

Cons

  • Some users found the bottle may leak during travel.

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 INCIDecoder.


Ingredients: Simmondsia Chinensis (Jojoba) Seed Oil, Persea Gratissima (Avocado) Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Coco-Caprylate/Caprate, Argania Spinosa Kernel Oil, Vitis Vinifera (Grape) Seed Oil, Cocos Nucifera (Coconut) Oil, Limnanthes Alba (Meadowfoam) Seed Oil, Squalane, Astrocaryum Murumuru Seed Butter, Centella Asiatica Extract, Alaria Esculenta Extract, Tetrahexyldecyl Ascorbate, Ascorbyl Palmitate, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Extract, Dimethyl Isosorbide, Tocopherol, Rosa Centifolia Flower Extract, Syringa Vulgaris (Lilac) Extract, Pelargonium Graveolens Flower/Leaf/Stem Extract

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 personal care and cosmetic products on Welpr.

The Oil - Ingrid + Isabel

The Oil - Ingrid + Isabel
Welpr Rating
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Welpr rating icon
4.85
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>The <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG Verified certification</a> indicates that a product meets rigorous health and environmental safety standards, provide full ingredient transparency, and avoid harmful substances. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/1002470-IngridIsabel_The_Oil_Belly__Body_Oil_/" target="_blank">Source</a>.</p>

Highlights

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This product is free from heavy metals like lead and cadmium, which can build up in the body and are linked to developmental, reproductive, and organ toxicity.
This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.

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
$35.00
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Product Details

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  • Tackles dryness, tightness, and itchiness while helping prevent stretch marks during pregnancy.
  • Rich in vitamins and antioxidants, suitable for all skin types, including during and after pregnancy.
  • Contains only seven baby-safe ingredients for intense hydration and skin softening.
  • Can be used on the belly, breasts, hips, and all over the body for comprehensive nourishment.
  • The calming, non-greasy formula with a subtle rose scent is perfect for bedtime or post-shower use.

Pros & Cons

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Pros

  • Safe and calming ingredients, perfect for sensitive skin.
  • Quickly absorbed, non-greasy, and leaves skin soft and smooth.
  • Gently fragranced, suitable for those sensitive to strong scents.
  • Versatile; can be used all over the body for dry or itchy skin.
  • User-friendly pump applicator minimizes mess.

Cons

  • May irritate some sensitive skin types; individual results could vary.
  • Scent and viscosity may not appeal to everyone.

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 INCIDecoder.


Ingredients: Apricot Kernal Oil (Prunus Armeniaca Kernel Oil), Marshmallow Root* (Althaea Officinalis Flower Extract), Calendula Flower* (Calendula Officinalis Flower Extract), Rosehips* (Rosa Canina Fruit Extract), Lavender Flower* (Lavandula Angustifolia Flower Extract), Chamomilla Recutita Flower Extract Chamomile Flower*, Rose Absolute (Rosa Damascena Flower 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 personal care and cosmetic products on Welpr.

Belly Oil for Dry Skin - Earth Mama

Belly Oil for Dry Skin - Earth Mama
Welpr Rating
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Welpr rating icon
4.8
/5
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Certifications

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<p>This product is <a href="https://www.welpr.com/certifications#welpr-approved" target="_blank">Welpr Approved</a>, meaning it has been vetted against our <a href="https://www.welpr.com/how-we-vet-products/bath-body-hair-makeup" target="_blank">personal care standards</a> and contains no ingredients from our no list.</p>
<p>Products rated <a href="https://www.welpr.com/certifications#ewg" target="_blank">EWG-2</a> feature a low potential hazard rating and good or robust ingredient transparency. EWG ratings may change. Check the source for most up to date rating. <a href="https://www.ewg.org/skindeep/products/812333-Earth_Mama_Belly_Oil_2018_formulation/" target="_blank">Source</a>.</p>
<p>The <a href="https://www.welpr.com/certifications#certified-plastic-neutral" target="_blank">Plastic Neutral Certified</a> label indicates that a brand has measured and offset its plastic footprint by supporting equivalent plastic waste recovery and recycling efforts.</p>
<p>The <a href="https://www.welpr.com/certifications#leaping-bunny" target="_blank">Leaping Bunny certification</a> assures that products are genuinely cruelty-free, verified through rigorous audits and a comprehensive Supplier Monitoring System.</p>

Highlights

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This product is free from harsh sulfates like SLS and SLES, which can strip skin and scalp and trigger irritation.
This product is free from synthetic dyes that may irritate skin or cause behavioral issues.
This product is free from phthalates, a type of plasticizer linked to hormone disruption and reduced fertility.
This product is free from formaldehyde and formaldehyde-releasing agents, preservatives that release toxic gas linked to cancer, allergies, and skin irritation.
This product is free from parabens, a class of preservatives linked to hormone disruption and breast cancer.

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
$22.99
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Product Details

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  • Free from petroleum, synthetic preservatives, and artificial fragrances for safe use during pregnancy and beyond.
  • Formulated with organic borage oil, jojoba oil, and orange blossom essential oil to hydrate and support natural skin elasticity.
  • Lightweight and easily absorbable, perfect for daily use after showering, shaving, or bathing.
  • Vegan and cruelty-free, meeting high ethical standards for conscientious consumers.
  • Suitable for all ages, providing non-greasy hydration for the entire family.

Pros & Cons

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Pros

  • The oil is made with clean, non-toxic ingredients.
  • Great for moisturizing and soothing stretching skin.
  • Many users report it helps prevent stretch marks.
  • Leaves a pleasant, subtle scent.
  • Pairs well with other pregnancy skincare products.

Cons

  • Some may find the application process a bit greasy.
  • A few users experienced issues with the packaging, like oil residue.

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 INCIDecoder.


Ingredients: Grape (Vitis Vinifera) Seed Oil, Organic Jojoba (Simmondsia Chinensis) Seed Oil, Organic Borage (Borago Officinalis) Seed Oil, Organic Calendula (Calendula Officinalis) Flower Extract, Organic Sweet Orange (Citrus Sinensis) Oil, Orange (Citrus Aurantium Dulcis) Flower Oil

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 Belly Oil

Chemical Name

Why it’s harmful

Phenoxyethanol

2-Phenoxyethanol is a hazardous substance toxic by all routes of exposure, and is used widely in products like cosmetics, soaps, and inks, among others. The effects of exposure to this faintly aromatic, colorless, oily liquid can include eye irritation, headaches, tremors, and CNS depression. It's crucial to rinse exposed eyes with tepid water for at least 15 minutes and to wash exposed skin thoroughly with soap and water in case of contact. The substance requires preheating before ignition can occur, and if involved in a fire, gentle water spray can extinguish the fire by inducing frothing.

Sodium Laureth Sulfate

Sodium laureth sulfate, derived from ethoxylated lauryl alcohol, is a surfactant used in sudsy products like toothpaste, detergents, and shampoos. While it acts as a cleansing and emulsifying agent, it can sometimes contain toxic impurities such as 1,4-dioxane. This chemical has raised health concerns due to its potential to cause skin, lung, and eye irritation, organ toxicity, and, primarily because of contamination by 1,4 dioxane, cancer.

Sodium Lauryl Sulfate

Sodium Lauryl Sulfate is recognised as a skin, eye, and respiratory tract irritant according to ICSC. It may cause allergic reactions and eye irritation as stated by the HSDB. Exposure may even result in eye burns, as per CAMEO. Depending on its form - which may range from a solid (90-98% purity), to a paste (30-41%), or an aqueous solution (28-50%) - it can significantly irritate skin and eyes, with adverse effects escalating with increased concentration. Despite these hazards, it is not a skin sensitizer according to CHEMINFO, while eChemPortal: ERMA and MSDSonline endorse its classification as an irritant.

Phthalate

Phthalates, linked to endocrine disruption, reproductive toxicity, and cancer, are banned in the European Union but remain prevalent in U.S. cosmetics. They are widely used in personal care products, such as nail polish, fragrances, and eyelash glue and other products. A significant loophole allows phthalates to be added to fragrances without disclosure. Health concerns include endocrine disruption, developmental and reproductive toxicity, and potential carcinogenicity.

Methylparaben

Methylparaben is an antimicrobial preservative used in food, drugs, and cosmetics. Some individuals can develop contact dermatitis on skin exposure, and allergic reactions have been reported on ingestion, though the evidence is not conclusive. Data from animal studies suggest that methylparaben is practically non-toxic and non-irritating in normal skin conditions, with high thresholds for observed adverse effects. However, it showed chromosome aberrations in a cell assay and variable results in different uterotrophic assays. An ecotoxicity study found changes in the expression of certain genes at specific concentrations in male medaka, a type of fish.

Butylparaben

Butylparaben, a chemical used in various products, has been shown to cause skin irritation in humans and potential sensitization in dermatitis patients. Animal studies indicate that it has low to moderate oral toxicity and can cause damage to the liver, spleen, and thymus. It can also lead to cell proliferation in rats' stomachs, though it was not found to be carcinogenic or mutagenic. However, it may negatively impact sperm viability and activity, as demonstrated in different in vitro and in vivo studies. Lastly, it proposed weaker aquatic toxicity compared to parabens with longer alkyl chains, but still showed estrogenic effects in certain fish species.

Ethylparaben

Ethylparaben is a chemical used as a preservative in various products including pharmaceuticals, cosmetics, and adhesives. It exhibits low toxicity in humans and animals, but can cause skin irritation, particularly when applied to damaged skin, and may worsen pre-existing skin conditions. Despite causing cell proliferation in rats' forestomachs and chromosomal aberrations in a hamster ovary cell test, it has shown no evidence of causing cancer. However, it was found to be toxic to fetuses at doses toxic to the mother, though it did not cause malformations (nonteratogenic). Interestingly, while it impacted sperm viability in lab conditions, it showed no negative effects on mouse sperm in actuality.

Propylparaben

Propylparaben is a stable, non-volatile compound utilized as an antimicrobial preservative in food, drugs, and cosmetics. Human exposure can cause sensitization especially if applied to damaged skin and may cause contact sensitivity with high concentrations. Extensive animal studies reveal that propylparaben is relatively non-toxic, yet it can mildly irritate skin, affect sperm counts in substantial levels, and trigger cell proliferation in the forestomach of rats. However, it is not carcinogenic, mutagenic, or clastogenic, and a significant no-observed-adverse-effect level was reported in rats. Ecotoxicity studies show that it can lead to an increase in plasma vitellogenin levels in rainbow trout and a significant decline of vitellogenin production in zebrafish at varying concentrations.

Isobutylparaben

Isobutylparaben belongs to the paraben family of preservatives used in the food, pharmaceutical, and personal care product industries. Parabens mimic estrogen and have been found in breast cancer tumors in some studies. Parabens are commonly found in various personal care products and foods and have been associated with endocrine disruption, skin cancer risk, developmental and reproductive toxicity, and potential behavioral changes in offspring when exposed during gestation.

Isopropylparaben

Isopropylparaben belongs to the parabens family of preservatives utilized in the food, pharmaceutical, and personal care sectors. Parabens have estrogen-mimicking properties and pose a potential risk as endocrine disruptors. Research has detected parabens in the breast cancer tumors of a significant number of studied women, raising concerns about their safety and hormonal effects.

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Authors

Camille May, Product Curator

Hey, I’m Camille—co-creator of Welpr and your go-to guide for all things clean living. 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 built Welpr to make that journey feel a bit easier.  When I’m not working on Welpr, you’ll usually find me in the sauna, sipping a raw milk latte while doing a puzzle, or walking with my pit bull Romeo in my hometown of Austin, TX.

Olushola M. Awoyemi, Medical Reviewer

Olushola M. Awoyemi (aka Shola) is a board-certified toxicologist and a research scientist with a PhD in Environmental Toxicology. Shola's long-term ambition is to be recognized as a world-renowned expert in toxicology, risk assessment, and management, with experience spanning across institutions like the US EPA, US FDA, NIEHS, USDA, UNEP, WHO, and possibly within Fortune 100 companies in the Chemical, Healthcare, Pharmaceutical, Consumer goods, or IT sectors.

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