Thrive Causemetics Liquid Lash Extensions Mascara Brynn 0.14oz Travel Size

Common questions

Is Thrive Causemetics Liquid Lash Extensions Mascara Brynn 0.14oz Travel Size healthy?

Thrive Causemetics Liquid Lash Extensions Mascara Brynn 0.14oz Travel Size scores 75/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This mascara contains beneficial ingredients like shea butter, castor oil, and sodium hyaluronate, which provide moisturizing and conditioning benefits for lashes.

Which ingredients drive Thrive Causemetics Liquid Lash Extensions Mascara Brynn 0.14oz Travel Size's score?

In Scout's ingredient-by-ingredient analysis, Glycerin, Cera Carnauba/Copernicia Cerifera (Carnauba) Wax/Cire De Carnauba, Butyrospermum Parkii (Shea) Butter count in its favor; Alcohol Denat., Dimethicone, Phenoxyethanol are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Thrive Causemetics Liquid Lash Extensions Mascara Brynn 0.14oz Travel Size

75 Good

Analysis updated August 2026 · How Scout scores

$26.00 · 0.38 oz · $68.42 / fluid ounce
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At a glance

Beneficial ingredients 7
Harmful ingredients 4
Category Mascara
Summary

This mascara contains beneficial ingredients like shea butter, castor oil, and sodium hyaluronate, which provide moisturizing and conditioning benefits for lashes. However, the presence of denatured alcohol, which can be drying and irritating, slightly lowers the product's safety profile. The overall formulation is balanced with both natural and synthetic components, leading to a moderate processing level.

Key ingredients 26

Butyrospermum Parkii (Shea) Butter
Very Good

Shea butter is a natural fat extracted from the nuts of the shea tree. It is known for its moisturizing and nourishing properties.

Risks

Generally safe, but may cause allergic reactions in individuals with nut allergies.

Benefits

Provides deep moisture and nourishment to the lashes, preventing dryness.

See more about Butyrospermum Parkii (Shea) Butter →
Ricinus Communis (Castor) Seed Oil
Very Good

Castor oil is a natural oil known for its conditioning properties. It is often used to promote healthy hair and lash growth.

Risks

May cause allergic reactions in some individuals.

Benefits

Helps in conditioning and strengthening the lashes, promoting healthier growth.

See more about Ricinus Communis (Castor) Seed Oil →
Panthenol
Very Good

Panthenol is a form of Vitamin B5 used for its moisturizing and conditioning properties. It helps in improving the texture and appearance of lashes.

Risks

Generally safe, but may cause mild irritation in sensitive individuals.

Benefits

Provides moisture and nourishment to the lashes, enhancing their appearance.

See more about Panthenol →
Glycerin
Good

Glycerin is a humectant that attracts moisture to the skin, keeping it hydrated. It is widely used in cosmetics for its moisturizing properties.

Risks

There are minimal risks associated with glycerin, though overuse can lead to a sticky feel.

Benefits

It helps in keeping the lashes moisturized and prevents them from drying out.

See more about Glycerin →
Cera Carnauba/Copernicia Cerifera (Carnauba) Wax/Cire De Carnauba
Good

Carnauba wax is used to thicken and harden cosmetic products. It provides a glossy finish and helps in the even application of mascara.

Risks

Generally safe, but may cause mild irritation if used in excess.

Benefits

It enhances the texture and application of the mascara, providing a smooth finish.

Sodium Hyaluronate
Good

Sodium hyaluronate is a form of hyaluronic acid known for its excellent moisturizing properties. It helps in retaining moisture and improving lash hydration.

Risks

Generally safe, but may cause mild irritation in sensitive individuals.

Benefits

Provides deep hydration and moisture retention for healthier lashes.

See more about Sodium Hyaluronate →
Iron Oxides (CI 77499)
Good

Beneficial ingredient — whole-food or functional value in this product class.

Risks

Generally considered safe, but may cause mild irritation in sensitive individuals.

Benefits

Provides rich color and pigmentation to the mascara.

See more about Iron Oxides (CI 77499) →
Aqua/Water/Eau
Neutral

Water is a common solvent used in cosmetics to dissolve other ingredients. It helps in the application and consistency of the product.

Risks

There are no significant risks associated with water in cosmetics.

Benefits

Water helps in hydrating the skin and is essential for the formulation of the product.

See more about Aqua/Water/Eau →
Acrylates/Ethylhexyl Acrylate Copolymer
Neutral

This copolymer is used as a film-forming agent in cosmetics, providing a smooth application. It helps in the adhesion of the product to lashes.

Risks

There is a potential for skin irritation in sensitive individuals.

Benefits

It enhances the durability and wear of the mascara.

Glyceryl Stearate SE
Neutral

Glyceryl Stearate SE is an emulsifier that helps blend water and oil components. It contributes to the smooth texture of the product.

Risks

Generally considered safe, but may cause mild irritation in some individuals.

Benefits

It helps in maintaining the stability and consistency of the mascara.

See more about Glyceryl Stearate SE →
VP/Eicosene Copolymer
Neutral

This copolymer acts as a film-forming agent, providing water resistance and durability. It helps the mascara adhere better to lashes.

Risks

Potential for mild irritation in sensitive individuals.

Benefits

Improves the longevity and wear of the mascara.

See more about VP/Eicosene Copolymer →
Stearic Acid
Neutral

Stearic acid is a fatty acid used as an emulsifier and thickener. It helps in stabilizing the formulation.

Risks

May cause mild irritation in sensitive skin types.

Benefits

Contributes to the creamy texture and stability of the mascara.

See more about Stearic Acid →
Tromethamine
Neutral

Tromethamine is used as a pH adjuster in cosmetics. It helps maintain the stability and effectiveness of the product.

Risks

May cause mild irritation if used in high concentrations.

Benefits

Ensures the product remains stable and effective over time.

Palmitic Acid
Neutral

Palmitic acid is a fatty acid used as an emulsifier and thickener. It helps in maintaining the consistency of the product.

Risks

Generally safe, but may cause mild irritation in sensitive individuals.

Benefits

Contributes to the creamy texture and stability of the mascara.

See more about Palmitic Acid →
Laureth-21
Neutral

Laureth-21 is an emulsifier and surfactant used to improve the texture and spreadability of cosmetics. It helps in blending ingredients effectively.

Risks

Potential for mild irritation in sensitive individuals.

Benefits

Enhances the texture and application of the mascara.

PVP
Neutral

PVP is a film-forming agent that helps in the adhesion of the product to lashes. It provides a smooth and even application.

Risks

Generally considered safe, but may cause mild irritation in some individuals.

Benefits

Improves the durability and wear of the mascara.

Xanthan Gum
Neutral

Xanthan gum is a thickening agent used to stabilize cosmetic formulations. It helps in maintaining the consistency of the product.

Risks

Generally safe, but may cause mild irritation in sensitive individuals.

Benefits

Contributes to the stability and texture of the mascara.

See more about Xanthan Gum →
Sodium Dehydroacetate
Neutral

Sodium dehydroacetate is a preservative used to prevent microbial growth in cosmetics. It helps in extending the shelf life of the product.

Risks

May cause mild irritation in sensitive skin types.

Benefits

Helps in preserving the product and maintaining its safety.

See more about Sodium Dehydroacetate →
Methylglucamine
Neutral

Methylglucamine is used as a stabilizer and emulsifier in cosmetics. It helps in maintaining the consistency and stability of the product.

Risks

Generally considered safe, but may cause mild irritation in some individuals.

Benefits

Contributes to the stability and effectiveness of the mascara.

Ethylhexylglycerin
Neutral

Ethylhexylglycerin is used as a preservative and skin conditioning agent. It enhances the efficacy of other preservatives.

Risks

May cause mild irritation in sensitive skin types.

Benefits

Helps in preserving the product and providing skin conditioning benefits.

See more about Ethylhexylglycerin →
Trisodium Ethylenediamine Disuccinate
Neutral

This ingredient is used as a chelating agent to improve the stability of cosmetic formulations. It helps in preventing the degradation of the product.

Risks

Generally considered safe, but may cause mild irritation in some individuals.

Benefits

Enhances the stability and shelf life of the mascara.

See more about Trisodium Ethylenediamine Disuccinate →
Neofinetia Falcata Callus Culture Extract
Neutral

This botanical extract is used for its potential antioxidant properties. It may help in protecting the lashes from environmental damage.

Risks

Limited data on safety, but generally considered safe in cosmetic formulations.

Benefits

May provide antioxidant benefits, protecting lashes from damage.

Dimethicone
Bad

Occlusive silicone film-former — flagged under clean-beauty doctrine.

Risks

May cause build-up on the skin with prolonged use.

Benefits

It enhances the smoothness and spreadability of the mascara.

See more about Dimethicone →
Phenoxyethanol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause irritation in sensitive skin types if used in high concentrations.

Benefits

Helps in preserving the product and extending its shelf life.

See more about Phenoxyethanol →
Lecithin
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

Generally considered safe, but may cause mild irritation in some individuals.

Benefits

Contributes to the stability and conditioning properties of the mascara.

See more about Lecithin →
Alcohol Denat.
Very Bad

Denatured alcohol is used as a solvent and can help in quick drying of the product. However, it can be drying and irritating to the skin.

Risks

It may cause dryness and irritation, especially in sensitive skin types.

Benefits

It helps in the quick setting of the mascara on lashes.

See more about Alcohol Denat. →

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