Ethyl Pyruvate is a gentle antioxidant that helps protect skin from environmental stress and supports a more even tone, but it's less studied than vitamin C or E.
Irritation
low
Source
synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
Ethyl Pyruvate is a gentle antioxidant that helps protect skin from environmental stress and supports a more even tone, but it's less studied than vitamin C or E.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient derived from castor oil that helps soften and smooth skin without clogging pores.
Irritation
low
Source
semi-synthetic
Ethyl Salicylate is a milder cousin of salicylic acid, offering gentle exfoliation with a lower irritation risk, but it is less studied and often used more for fragrance than efficacy.
Irritation
moderate
Source
synthetic
A synthetic ingredient that helps condition skin and may add a pleasant scent, but research on its specific benefits is limited.
Irritation
low
Source
synthetic
Ethyl Serinate is a gentle amino acid derivative that helps attract moisture to the skin, but research on its long-term benefits is still limited.
Irritation
low
Source
semi-synthetic
A gentle emollient that softens skin but may clog pores for some people.
Irritation
low
Source
synthetic
Ethyl Tafluprostamide can help eyelashes grow longer and thicker, but it may cause eye irritation and darkening of the eyelid skin.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds scent but offers no skincare benefits; generally safe at low levels but may cause irritation in sensitive individuals.
Irritation
low
Source
synthetic
Ethyl Thioglycolate is an effective hair-removal chemical but can be irritating and has a strong odor, so it requires careful formulation and use.
Irritation
high
Source
synthetic
Ethyl Tiglate is a synthetic fragrance ingredient that adds a fruity, floral note to products; it is generally safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic fragrance ester that adds a fruity, green note to products; generally safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Fragrance ingredient
ETHYL TRANS-3,7-DIMETHYLOCTA-2,6-DIENOATE
A synthetic fragrance ester that adds a pleasant floral-herbal scent but offers no direct skin benefit beyond sensory appeal.
Irritation
low
Source
synthetic
A synthetic ingredient that can lengthen and thicken lashes, but may cause eye irritation and darkening of the iris or eyelid skin.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that provides a fresh, woody scent but offers no direct skincare benefits.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a warm, woody note to products; generally safe but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A lightweight silicone that helps products glide on smoothly and leaves a silky finish without clogging pores.
Irritation
low
Source
synthetic
A gentle synthetic emollient that softens skin and improves product texture, but it's not a standout ingredient for specific skin concerns.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
semi-synthetic
Ethyl Valerate is a mild synthetic ester used for scent and slight skin feel, but it offers no active skincare benefits.
Irritation
low
Source
synthetic
Ethyl Vanillate is a gentle, vanilla-scented antioxidant that adds a pleasant fragrance to skincare, but it's not a powerhouse ingredient for skin benefits.
Irritation
low
Source
synthetic
Ethyl vanillin is a synthetic vanilla-scented fragrance ingredient that is generally safe at low concentrations but may cause irritation in sensitive individuals.
Irritation
low
Source
synthetic
A gentle, wheat-derived emollient that helps soften and condition skin without clogging pores.
Irritation
low
Source
natural
A gentle plant-derived emollient that helps soothe and soften skin, though research is still emerging.
Irritation
low
Source
natural
Ethyl-3-Alpha is a synthetic ingredient with limited public data; it appears safe at low levels but lacks robust research.
Irritation
low
Source
synthetic
A synthetic peptide-like ingredient that may help soften expression lines by temporarily relaxing facial muscles, similar to a milder, topical alternative to injectables.
Irritation
low
Source
synthetic
Skin conditioning agent
ETHYLARGININOATE ACETAMIDOMETHIONAMIDE HCL
A synthetic peptide-like ingredient that may help improve skin firmness and reduce wrinkle depth, but human data is limited.
Irritation
low
Source
synthetic
A gentler, more stable form of vitamin C that works well for most skin types without the sting of pure L-ascorbic acid.
Irritation
low
Source
semi-synthetic
A synthetic preservative booster that helps keep products fresh but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Antioxidant
ETHYLBISIMINOMETHYLGUAIACOL MANGANESE CHLORIDE
A potent synthetic antioxidant that helps protect skin from environmental damage and supports a healthy-looking complexion.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A gentle film-former that helps products spread smoothly and stay put without clogging pores.
Irritation
low
Source
semi-synthetic
A synthetic diol used mainly as a solvent or viscosity adjuster; not a star active ingredient but generally considered safe at low concentrations.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; generally considered safe at low concentrations.
Irritation
low
Source
synthetic
A widely used synthetic musk that provides a pleasant scent with a generally good safety profile, but may cause irritation in sensitive individuals.
Irritation
low
Source
synthetic
A synthetic wax that helps thicken and stabilize products, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A synthetic thickener that helps give creams and lotions a rich, stable texture with a low risk of irritation.
Irritation
low
Source
synthetic
Ethylene Dioleamide is a synthetic thickener and opacifier used mainly in rinse-off products; it is generally considered safe but has limited direct skin benefit.
Irritation
low
Source
synthetic
A safe, synthetic thickener that improves product texture but offers no direct skin benefit.
Irritation
low
Source
synthetic
Ethylene Dodecanedioate is a synthetic ester that adds a pleasant musky scent to products and helps condition the skin, but it offers no active skincare benefits.
Irritation
low
Source
synthetic
A safe, synthetic film-former that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put, resist water, and feel smooth, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Film Former
ETHYLENE/ETHYLIDENE NORBORNENE/PROPYLENE COPOLYMER
A synthetic polymer that helps create flexible, water-resistant films in makeup and skincare, generally considered safe and non-irritating.
Irritation
low
Source
synthetic
A synthetic film-former that helps products spread smoothly and resist water, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A safe, synthetic polymer that helps products spread smoothly and resist water, but offers no active skin benefit.
Irritation
low
Source
synthetic
Film Former
ETHYLENE/MALEIC ANHYDRIDE/PROPYLENE COPOLYMER
A synthetic polymer that helps products stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic film former that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A safe, synthetic thickener that gives gels and creams a smooth, non-sticky feel without clogging pores.
Irritation
low
Source
synthetic
A safe synthetic polymer that helps products feel silky and stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A safe synthetic polymer that helps products spread smoothly and feel lightweight on skin.
Irritation
low
Source
synthetic
A safe, synthetic film-former that helps makeup and sunscreen stay put without clogging pores.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put on skin and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Ethylenediamine is a synthetic pH adjuster with a high irritation and sensitization potential, making it unsuitable for most leave-on skincare products.
Irritation
high
Source
synthetic
Film Former
ETHYLENEDIAMINE/DIMER TALLATE COPOLYMER BIS-HYDROGENATED TALLOW AMIDE
A synthetic polymer that helps products stay put, but its tallow-derived origin may not suit everyone.
Irritation
low
Source
synthetic
Film Former
ETHYLENEDIAMINE/HYDROGENATED DIMER DILINOLEATE COPOLYMER BIS-DI-C14-18 ALKYL AMIDE
A synthetic polymer that helps skincare and makeup stay put longer, especially in water-resistant formulas.
Irritation
low
Source
synthetic
A synthetic dendrimer that helps deliver active ingredients deeper into the skin while improving product feel, but research on long-term safety is still limited.
Irritation
low
Source
synthetic
Film Former
ETHYLENEDIAMINE/STEARYL DIMER DILINOLEATE COPOLYMER
A synthetic film-former that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Film Former
ETHYLENEDIAMINE/STEARYL DIMER TALLATE COPOLYMER
A synthetic polymer that helps products stay put, resist water, and feel smooth, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Ethylhexanal is a synthetic fragrance ingredient that adds a fresh, citrusy scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle synthetic ingredient that helps calm irritated skin and reduce redness, ideal for sensitive or reactive skin types.
Irritation
low
Source
synthetic