A safe, synthetic film-former that helps makeup last longer and feel smoother, but it's not a skincare active.
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
A safe, synthetic film-former that helps makeup last longer and feel smoother, but it's not a skincare active.
Irritation
low
Source
synthetic
Film Former
Styrene/Methyltrimonium Chloride Crosspolymer
A synthetic polymer that helps reduce frizz and improve the feel of hair and skin, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put, but offers no skin benefit and may feel stiff or heavy on some.
Irritation
low
Source
synthetic
A synthetic polymer that helps makeup and skincare last longer by forming a flexible, water-resistant film on skin or hair.
Irritation
low
Source
synthetic
Film Former
SODIUM STYRENE/METHOXY PEG-10 MALEATE/NONOXYNOL-10 MALEATE/ACRYLATES COPOLYMER
A synthetic polymer that helps products stay put and feel smooth, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A synthetic film former that helps makeup and sunscreen stay put, but may feel heavy on some skin types.
Irritation
low
Source
synthetic
Film Former
STYRENE/ACRYLATES/DIMETHICONE ACRYLATE CROSSPOLYMER
A synthetic polymer that helps makeup stay put and feel silky, but offers no skincare benefit.
Irritation
low
Source
synthetic
A synthetic film-former that helps makeup last longer and resist water, but may feel heavy on some skin types.
Irritation
low
Source
synthetic
A synthetic polymer that helps makeup and sunscreen stay put longer, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic powder that improves product feel and absorbs excess oil, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A safe synthetic polymer that helps makeup and skincare products stay put without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A safe, synthetic film-former that helps products stay put and resist water, but offers no skincare benefit itself.
Irritation
low
Source
synthetic
A synthetic polymer that helps makeup last longer and feel smoother, but offers no skincare benefit and may feel heavy on some skin types.
Irritation
low
Source
synthetic
A synthetic film-former that helps makeup and sunscreen last longer, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put and feel smooth, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A reliable film-former that helps products stay put, but it's a synthetic polymer with no skin benefits beyond texture and wear.
Irritation
low
Source
synthetic
Film Former
STYRENE/VINYL BENZYL LAURDIMONIUM CHLORIDE COPOLYMER
A synthetic conditioning polymer that helps smooth hair and reduce static, but offers no long-term repair.
Irritation
low
Source
synthetic
Subtilisin is a gentle enzyme exfoliant that dissolves dead skin cells, but it can be irritating for sensitive skin if left on too long.
Irritation
moderate
Source
biotech
A gentle emulsifier that helps blend oil and water in creams and lotions while providing light skin conditioning.
Irritation
low
Source
semi-synthetic
A gentle, multi-tasking acid that exfoliates, calms redness, and helps control acne-causing bacteria without the sting of stronger acids.
Irritation
low
Source
natural
Succinic anhydride is a synthetic pH adjuster that helps keep products stable, but it can be irritating in high concentrations.
Irritation
moderate
Source
synthetic
A gentle, hybrid peptide-vitamin C ingredient that may support brightness and collagen, but research is still early.
Irritation
low
Source
semi-synthetic
A modified collagen that helps plump and hydrate skin with low irritation potential, but evidence is mostly from ingredient supplier studies.
Irritation
low
Source
semi-synthetic
A gentle, pearl-derived protein that forms a breathable film on skin to help lock in moisture and temporarily smooth fine lines.
Irritation
low
Source
semi-synthetic
A gentle film-forming protein that may help smooth skin and reduce water loss, but research is limited.
Irritation
low
Source
semi-synthetic
Hair Conditioning Agent
CETEARAMIDOETHYLDIETHONIUM SUCCINOYL HYDROLYZED SOY PROTEIN
A gentle, protein-based conditioning ingredient that adds softness and manageability to hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Sucralose is a non-nutritive sweetener used mainly to improve the taste of lip products; it has no proven skincare benefits and is not a primary active ingredient.
Irritation
low
Source
synthetic
Sucrose is a gentle, natural humectant and physical exfoliant that helps hydrate and smooth skin without irritation.
Irritation
low
Source
natural
A sugar-based film-former that helps makeup and skincare last longer without feeling heavy or sticky.
Irritation
low
Source
semi-synthetic
A gentle, sugar-derived emulsifier that helps create smooth, stable creams and lotions with low irritation potential.
Irritation
low
Source
semi-synthetic
Sucrose Benzoate is a gentle film-former that helps products stay put without feeling sticky or heavy.
Irritation
low
Source
semi-synthetic
Film Former
SUCROSE BENZOATE/SUCROSE ACETATE ISOBUTYRATE COPOLYMER
A sugar-derived film former that helps products stay put and resist water, but may feel slightly tacky on some skin types.
Irritation
low
Source
semi-synthetic
Film Former
SUCROSE BENZOATE/SUCROSE ACETATE ISOBUTYRATE/BUTYL BENZYL PHTHALATE COPOLYMER
A synthetic film-former that gives nail polish a hard, glossy finish, but contains a phthalate that raises environmental and health concerns.
Irritation
low
Source
synthetic
A mild, sugar-based emulsifier that helps create stable, creamy formulas without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emulsifier that helps blend water and oil in formulas while offering mild skin conditioning.
Irritation
low
Source
semi-synthetic
A mild, sugar-derived emulsifier that helps create stable, creamy textures without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emollient that softens skin without clogging pores, ideal for sensitive and dry skin types.
Irritation
low
Source
semi-synthetic
A gentle, sugar-derived emollient that helps soften skin and stabilize formulas without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, sugar-derived emollient that helps soften and smooth skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, biotech-derived emollient that helps soften and condition skin without clogging pores, ideal for sensitive and dry skin types.
Irritation
low
Source
biotech
Sucrose Myristate is a mild, sugar-based emulsifier that helps blend water and oil in skincare products while leaving a soft, non-greasy feel.
Irritation
low
Source
semi-synthetic
Sucrose octaacetate is a bitter-tasting sugar derivative used to denature alcohol and discourage accidental ingestion, with a strong safety record in cosmetics.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient derived from sugar and erucic acid that helps soften and smooth skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emulsifier that creates smooth, stable creams without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived emulsifier that helps create stable, creamy textures without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that softens skin and helps other ingredients spread smoothly.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emulsifier that stabilizes formulas and leaves skin feeling smooth without clogging pores.
Irritation
low
Source
semi-synthetic
A mild, sugar-based emulsifier that helps mix water and oil in formulas without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emulsifier that helps create stable, lightweight creams and lotions without common irritation.
Irritation
low
Source
semi-synthetic
A mild, sugar-based emulsifier that stabilizes formulas without stripping the skin.
Irritation
low
Source
semi-synthetic
A mild, sugar-derived emulsifier that creates stable, creamy textures without common irritation.
Irritation
low
Source
semi-synthetic
A mild, biodegradable surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
A mild, sugar-based emulsifier that stabilizes formulas without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A mild, plant-derived emulsifier that helps blend oil and water in formulas while also softening the skin.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emulsifier that helps blend water and oil in creams while leaving skin feeling soft.
Irritation
low
Source
semi-synthetic
A gentle, sugar-based emulsifier that creates smooth, stable creams without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, sugar-derived emulsifier that helps blend oil and water in creams and lotions, giving them a smooth, non-greasy feel.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emulsifier that stabilizes creams and lotions without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, sugar-derived emollient that softens skin and helps blend water and oil in formulas without clogging pores.
Irritation
low
Source
semi-synthetic
A mild, sugar-based emulsifier that helps blend oil and water in creams without stripping the skin.
Irritation
low
Source
semi-synthetic