Viscosity Controlling
Hydrogenated Ethylene/Propylene/Styrene Copolymer
HYDROGENATED ETHYLENE/PROPYLENE/STYRENE COPOLYMER
A safe synthetic polymer that improves product feel and stability without clogging pores.
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
Viscosity Controlling
HYDROGENATED ETHYLENE/PROPYLENE/STYRENE COPOLYMER
A safe synthetic polymer that improves product feel and stability without clogging pores.
Irritation
low
Source
synthetic
A lightweight, plant-derived emollient that mimics skin's natural oils for a silky feel without greasiness.
Irritation
low
Source
semi-synthetic
A gentle, olive-derived emollient that hydrates and softens skin without clogging pores, suitable for most skin types.
Irritation
low
Source
semi-synthetic
A lightweight, non-greasy emollient derived from sesame oil that helps soften skin and improve product texture.
Irritation
low
Source
semi-synthetic
A lightweight, plant-derived emollient that hydrates without greasiness and is well-tolerated by most skin types.
Irritation
low
Source
natural
Film Former
Hydrogenated Farnesene/C10-16 Olefin Copolymer
A gentle, plant-based polymer that helps products stay put without feeling sticky or heavy.
Irritation
low
Source
biotech
A gentle, antioxidant-rich oil that helps moisturize and soothe skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived film former that helps makeup and hair products stay put without feeling sticky.
Irritation
low
Source
semi-synthetic
Film Former
Hydrogenated Glyceryl Dehydroabietate/Tetrahydroabietate
A gentle, plant-derived film former that helps products stay put and resist water without feeling heavy.
Irritation
low
Source
natural
A gentle, hydrogenated oil that softens and protects skin without clogging pores, but offers limited antioxidant benefits compared to unprocessed grapefruit seed oil.
Irritation
low
Source
semi-synthetic
Emollient
HYDROGENATED GRAPEFRUIT SEED OIL UNSAPONIFIABLES
A gentle, non-greasy emollient derived from grapefruit seeds that helps soften skin and support the moisture barrier without irritation.
Irritation
low
Source
natural
A gentle, non-greasy emollient that strengthens the skin barrier without clogging pores.
Irritation
low
Source
semi-synthetic
Fragrance
2-METHOXYPHENOL/2,2-DIMETHYL-3-METHYLENEBICYCLO-HEPTANE HYDROGENATED
A synthetic fragrance ingredient with limited safety data; best for those who tolerate added scents.
Irritation
moderate
Source
semi-synthetic
A stable, non-greasy emollient that locks in moisture without clogging pores, ideal for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that strengthens the skin barrier and adds richness to products without clogging pores.
Irritation
low
Source
semi-synthetic
A stable, less sticky version of honey that hydrates and soothes skin without the mess of raw honey.
Irritation
low
Source
semi-synthetic
A rich, animal-derived emollient that softens and seals in moisture, but may be too heavy for oily or acne-prone skin.
Irritation
low
Source
natural
A gentle, olive-derived emollient that hydrates and softens skin without clogging pores.
Irritation
low
Source
semi-synthetic
A lightweight, non-greasy emollient that closely resembles skin's natural oils, making it an excellent choice for all skin types, especially oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-based wax that adds structure and a smooth feel to balms and sticks without common irritation.
Irritation
low
Source
natural
A gentle, plant-based emollient that improves product texture and skin feel without clogging pores or causing irritation.
Irritation
low
Source
natural
A gentle, non-greasy wax that locks in moisture and gives products a smooth, silky feel without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, plant-based wax that locks in moisture and gives products a smooth, creamy feel without clogging pores.
Irritation
low
Source
natural
A gentle, non-greasy emollient that strengthens the skin barrier without clogging pores.
Irritation
low
Source
semi-synthetic
A plant-based wax that gives lip and cream products a smooth, glossy feel, but research on its specific benefits is limited.
Irritation
low
Source
natural
A gentle, lanolin-derived emulsifier that helps blend water and oil in formulas, with a low risk of irritation for most skin types.
Irritation
low
Source
semi-synthetic
A gentle, lanolin-derived emulsifier that helps mix oil and water in skincare, with low irritation risk but potential allergy concerns for those sensitive to lanolin.
Irritation
low
Source
semi-synthetic
Hydrogenated Laneth-5 is a gentle, lanolin-derived emollient that helps soften skin and stabilize mixtures of oil and water, but it may not suit those with lanolin allergies.
Irritation
low
Source
semi-synthetic
A gentle, lanolin-derived emollient that softens skin and helps stabilize formulas, but may clog pores for some.
Irritation
low
Source
semi-synthetic
A gentle, lard-derived emollient that softens skin but may not suit vegans or those avoiding animal ingredients.
Irritation
low
Source
natural
Hydrogenated lime seed oil is a gentle, stable emollient that softens skin without clogging pores, making it a good choice for dry or sensitive skin types.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emollient that supports skin barrier function without clogging pores.
Irritation
low
Source
natural
A gentle, stabilized botanical extract that may offer antioxidant benefits, but research on the hydrogenated form is limited.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps mix oil and water in formulas and may support skin barrier function without irritation.
Irritation
low
Source
semi-synthetic
A skin-friendly phospholipid that improves ingredient delivery and supports the moisture barrier without irritation.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that mimics skin's natural oils, ideal for dry or sensitive skin.
Irritation
low
Source
natural
A gentle, non-greasy emollient that strengthens the skin barrier and resists oxidation, ideal for dry or sensitive skin.
Irritation
low
Source
natural
A gentle, fish-derived emollient that softens skin and improves product texture, but may not suit vegans or those with fish allergies.
Irritation
low
Source
natural
A gentle, plant-derived film former that helps makeup and skincare stay put without clogging pores.
Irritation
low
Source
semi-synthetic
A safe, non-irritating wax that gives lipsticks and balms their smooth, firm texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, milk-derived emollient that strengthens the skin barrier without clogging pores — ideal for dry or sensitive skin.
Irritation
low
Source
natural
A reliable, non-irritating occlusive that locks in moisture, but may feel heavy on oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
Hydrogenated mink oil is an effective emollient, but its animal origin and ethical concerns make it a poor fit for most modern skincare routines.
Irritation
low
Source
natural
A mild, non-stripping cleanser derived from moringa oil and sugar, ideal for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A stable, non-greasy emollient that adds a silky feel to products without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emollient that hydrates and softens skin without clogging pores, ideal for sensitive and dry skin types.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emollient that softens and smooths skin without feeling greasy.
Irritation
low
Source
semi-synthetic
A lightweight, plant-derived emollient that hydrates and softens skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emollient that helps lock in moisture without feeling greasy.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emollient that softens skin without feeling greasy, ideal for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emollient that helps moisturize and soften skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, olive-derived emollient that helps skin feel smooth and soft without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient from olive oil that helps soothe and strengthen the skin barrier without clogging pores.
Irritation
low
Source
natural
A rich, stable emollient that softens skin but raises sustainability concerns due to its deep-sea fish source.
Irritation
low
Source
natural
A stable, non-greasy emollient that softens skin without clogging pores, ideal for dry or sensitive skin types.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emollient that helps strengthen the skin barrier without clogging pores.
Irritation
low
Source
natural
A stable, animal-derived emollient that softens skin and locks in moisture, but lacks extensive human research.
Irritation
low
Source
natural
A gentle, plant-based emollient that helps maintain skin softness without clogging pores.
Irritation
low
Source
natural
A gentle, plant-derived emollient that softens and smooths skin without clogging pores.
Irritation
low
Source
natural
A gentle, plant-based emollient that softens skin and helps stabilize formulas, with a very low risk of irritation.
Irritation
low
Source
natural