Beauty ingredients explained in plain English

A lightweight synthetic emollient that softens skin without clogging pores, ideal for oily or combination skin types.

Erythrodiol is a gentle plant antioxidant that may help calm skin and support its natural defenses, though research is still early.

Erythrulose is a gentle sugar-derived self-tanner that works with DHA to create a more natural, longer-lasting tan with less odor and irritation.

Escin is a plant-derived anti-inflammatory ingredient that helps reduce puffiness and support microcirculation, especially around the eyes.

Esculetin is a plant-derived antioxidant that may help brighten skin and fight free radicals, but research in cosmetics is still limited.

Esculin is a gentle plant antioxidant that may help calm skin and protect against environmental stress, but it is not a star ingredient and is best used as part of a broader formula.

Esparto wax is a natural, plant-derived wax that helps thicken and stabilize cosmetic formulas without common irritation concerns.

Estratetraenol is a synthetic steroid with limited cosmetic research; its primary use is in fragrance or pheromone products, not proven for skincare benefits.

A synthetic polymer that helps products form a flexible, long-lasting film on hair or skin, but offers no active skincare benefits.

Ethane is a safe, colorless gas used to propel product out of aerosol cans, but it offers no direct skin benefit.

Ethanolamine is an effective pH adjuster but can be irritating for sensitive skin, especially in leave-on products.

A potent reducing agent for hair restructuring, but requires careful formulation and professional handling to minimize scalp irritation.

A gentle synthetic humectant that helps hydrate skin and support barrier function, but research on its long-term benefits is still limited.

A strong chemical that breaks hair bonds for removal or reshaping, but can irritate skin if not used carefully.

A gentle synthetic humectant that helps keep skin hydrated and improves product feel, but offers limited unique benefits compared to alternatives.

A synthetic fragrance ingredient with limited safety data; best for those who tolerate synthetic scents.

A synthetic fragrance ingredient that adds a woody scent; generally safe at low levels but may cause sensitivity in some people.

A synthetic antioxidant that helps prevent ingredient breakdown, but its safety data is less extensive than more common alternatives.

Ethoxydiglycol is a common solvent that helps active ingredients penetrate the skin, but it can also increase the absorption of potentially irritating ingredients.

A mild synthetic solvent that helps dissolve other ingredients and gives a smooth, non-greasy feel, but may enhance penetration of other actives.

A synthetic film-former that helps makeup and nail products last longer, but offers no active skincare benefit.

A gentle synthetic emollient that helps skin feel soft and smooth without clogging pores or causing irritation.

A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.

A gentle emollient that helps soften skin and improve product texture, with a low risk of irritation or clogged pores.

A strong synthetic adhesive for nails and lashes, but can cause irritation if misused or if you have a sensitivity.

A synthetic film-forming monomer used in nail products; may cause skin irritation in sensitive individuals and is best left to professional use.

A synthetic fragrance ingredient that adds a warm, woody scent but offers no skincare benefits and may cause sensitivity in some individuals.

A synthetic preservative that helps keep products fresh, but its safety data is less extensive than more common alternatives.

A synthetic fragrance ester that adds a fruity or floral note to products; generally safe at low levels but offers no skincare benefit.

Ethyl 2-Acetyloctanoate is a synthetic fragrance ingredient with limited safety data; it is generally considered safe at low concentrations but may cause irritation in sensitive individuals.

A synthetic fragrance ingredient with limited safety data; generally considered low-risk at typical use levels but best avoided by those with fragrance sensitivities.

A synthetic fragrance ingredient that adds scent but offers no skin benefit; generally safe at low levels but may cause sensitivity in some individuals.

A fruity-smelling ester used for scent; generally safe at low levels but may cause sensitivity in some individuals.

A synthetic fragrance ingredient that adds a fruity note to products; generally considered safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance ester that adds a fruity note to products; generally considered safe at low concentrations but offers no skincare benefit.

Ethyl 2-Octenoate is a synthetic fragrance ingredient that adds a fruity, floral note to products; it is generally safe at low concentrations but may cause sensitivity in some individuals.

A synthetic antioxidant that may help shield skin from oxidative damage, but research is still early and it's not a standout ingredient.

A gentle synthetic exfoliant that helps smooth skin texture without the harshness of stronger acids.

A mild synthetic ester that helps dissolve other ingredients and adds a subtle scent, but offers no standout skincare benefits.

A synthetic fragrance ester that adds a fruity scent to products; generally safe but may cause sensitivity in those with fragrance allergies.

Ethyl 3-Phenylglycidate is a synthetic fragrance compound that adds a sweet, fruity note to products but may cause skin irritation in sensitive individuals.

A synthetic preservative booster that helps keep products fresh by enhancing the effectiveness of other preservatives, but it's not a standalone preservative.

Ethyl acetate is an effective solvent for nail products but can be drying and irritating if used in high concentrations on skin.

Ethyl Acetoacetate is a synthetic ester that adds scent and helps dissolve other ingredients, but it offers no direct skin benefit and may cause irritation in sensitive individuals.

A synthetic fragrance ingredient that adds a fruity scent; generally safe at low concentrations but may cause irritation in sensitive individuals.

A lightweight synthetic emollient that helps soften skin without a greasy feel, but it's not a star ingredient—just a supporting player in formulations.

A lightweight, non-greasy emollient derived from almond oil that hydrates and softens skin without clogging pores.

A synthetic ingredient that may support skin renewal when activated by light, but it's primarily used in medical settings and can be irritating.

Ethyl Anisate is a gentle, naturally derived fragrance ingredient that adds a sweet, anise-like scent to products, but it offers no direct skincare benefits.

Ethyl Anthranilate is a synthetic fragrance ingredient that adds a floral, grape-like scent but offers no skincare benefits and may be a concern for those with fragrance sensitivities.

A lightweight, plant-based emollient that hydrates without greasiness, suitable for most skin types.

Ethyl Arachidonate is a fatty acid ester that helps soften and condition skin, but its role in inflammation and acne risk requires cautious use.

A lightweight, semi-synthetic emollient derived from argan oil that softens skin without a heavy or greasy feel.

A gentler, more stable form of vitamin C that works well for most skin types without the sting of pure ascorbic acid.

Ethyl Aspartate is a gentle humectant that helps attract moisture to the skin, but research on its benefits is still limited compared to more established ingredients.

A gentle, plant-based emollient that helps soften and smooth skin without clogging pores, ideal for dry or sensitive skin types.

A gentle, plant-derived emollient that helps soften skin without clogging pores, suitable for most skin types.

Ethyl Benzoate is a synthetic fragrance ingredient that helps scent products and dissolve other ingredients, but it may cause sensitivity in some individuals.

A synthetic fragrance ingredient that adds a sweet floral scent; generally safe at low levels but may cause irritation in sensitive individuals.

Ethyl Biotinate is a more absorbable form of biotin that may help strengthen hair and nails when applied topically, but its effects are modest and not a substitute for internal nutrition.