A gentle synthetic polymer that improves product feel and wear without clogging pores or causing irritation.
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 gentle synthetic polymer that improves product feel and wear without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A safe, synthetic polymer that improves product texture and water resistance without common irritation concerns.
Irritation
low
Source
synthetic
Thickener
ACRYLATES/STEARETH-20 METHACRYLATE CROSSPOLYMER
A safe, effective thickener that gives lightweight, non-greasy textures to water-based skincare products.
Irritation
low
Source
synthetic
A safe, synthetic film-former that helps products stay put and resist water without feeling heavy.
Irritation
low
Source
synthetic
A gentle synthetic thickener that helps create smooth, stable lotions and creams without clogging pores.
Irritation
low
Source
synthetic
A synthetic film-former that helps products stay put and resist water, but may feel slightly tight or heavy on some skin types.
Irritation
low
Source
synthetic
A synthetic film-former that improves water resistance and wear time in makeup and sunscreens, generally considered safe and non-irritating.
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 synthetic polymer that helps products stay put and resist water, but offers no skincare benefit.
Irritation
low
Source
synthetic
A safe, common film-former that helps products stay put and feel smooth, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A safe, synthetic thickener and film-former that helps products spread smoothly and stay put, with very low irritation risk.
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
Viscosity Controlling Agent
ACRYLATES/VINYL ISODECANOATE CROSSPOLYMER
A safe, synthetic thickener that gives products a smooth, non-greasy feel without clogging pores.
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 film-former that helps products stay put and feel smooth, but offers no active skincare benefits.
Irritation
low
Source
synthetic
Acrylic acid is a synthetic building block for common thickeners and stabilizers, but it is rarely used directly in skincare due to potential irritation.
Irritation
moderate
Source
synthetic
A synthetic polymer that helps products spread smoothly, hold styles, and leave a soft, non-sticky finish.
Irritation
low
Source
synthetic
Viscosity Controlling
ACRYLIC ACID/ISOPROPYLACRYLAMIDE/MIBK ACRYLAMIDE CROSSPOLYMER
A synthetic thickener that improves product texture and stability with a low risk of irritation.
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
A safe, synthetic thickener and film-former that gives products a smooth, elegant feel without common irritation concerns.
Irritation
low
Source
synthetic
Film Former
ACRYLIC ACID/HYDROXYETHYLACRYLAMIDE COPOLYMER
A synthetic polymer that helps products stay put and feel smooth, but offers no direct skin benefit.
Irritation
low
Source
synthetic
Film Former
ACRYLIC ACID/METHACRYLAMIDOPROPYLTRIMONIUM CHLORIDE COPOLYMER
A synthetic polymer that helps hold hairstyles and gives products a smooth, non-sticky feel, but may build up on hair over time.
Irritation
low
Source
synthetic
Film Former
ACRYLIC ACID/PHOSPHORYLCHOLINE GLYCOL ACRYLATE CROSSPOLYMER
A gentle synthetic polymer that improves product texture and helps ingredients stay on skin without clogging pores.
Irritation
low
Source
synthetic
A safe, synthetic film-former that helps products stay put and feel lightweight on skin or hair.
Irritation
low
Source
synthetic
A synthetic thickener and film former that helps create a smooth, lightweight feel in gels and serums, with a low risk of irritation.
Irritation
low
Source
synthetic
Film Former
ACRYLIC ACID/ISOBORNYL METHACRYLATE/ISOBUTYL METHACRYLATE COPOLYMER
A synthetic film-former that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A metallic pigment that adds shine but is generally safe for external use in small amounts.
Irritation
low
Source
synthetic
Viscosity Controlling
ACRYLONITRILE/GLYCOL DIMETHACRYLATE CROSSPOLYMER
A synthetic thickener and stabilizer that helps create smooth, spreadable textures but offers no active skin benefits.
Irritation
low
Source
synthetic
Film Former
ACRYLONITRILE/METHACRYLONITRILE/METHYL METHACRYLATE COPOLYMER
A synthetic film-former that helps makeup and sunscreen last longer, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Absorbent
ACRYLONITRILE/METHYL METHACRYLATE CROSSPOLYMER
A safe, synthetic powder that helps products feel silky and controls shine without clogging pores.
Irritation
low
Source
synthetic
Film Former
ACRYLONITRILE/METHYL METHACRYLATE/VINYLIDENE CHLORIDE COPOLYMER
A synthetic film former that helps makeup and hair products resist water and last longer, but offers no skincare benefit.
Irritation
low
Source
synthetic
Viscosity Controlling
ACRYLOYL DIMETHYL TAURATE/MELAMINE/PEG-6 METHACRYLATE CROSSPOLYMER
A synthetic thickener that helps create smooth, stable gel textures without common irritation concerns.
Irritation
low
Source
synthetic
Film Former
ACRYLOYL DIMETHYL TAURATE/MELAMINE/PEG-6 METHACRYLATE/PHLOROGLUCINOL CROSSPOLYMER
A synthetic polymer that helps create a smooth, even film on skin, improving product texture and wear.
Irritation
low
Source
synthetic
A synthetic film-former that helps products stay put on skin and resist water, but it's not a moisturizer or active ingredient.
Irritation
low
Source
synthetic
Viscosity Controlling
SODIUM ACRYLOYLDIMETHYLTAURATE/METHACRYLAMIDOLAURIC ACID COPOLYMER
A reliable synthetic thickener that gives gels and creams a silky, non-sticky feel without clogging pores.
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 synthetic film-former that helps products adhere to skin or nails, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic film-former that helps products stay put and resist water, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A synthetic film-forming ingredient used in nail products; limited safety data and potential for skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic conditioning agent that helps reduce static and improve manageability, but may cause irritation in sensitive individuals at higher concentrations.
Irritation
moderate
Source
synthetic
A silicone-based film former that helps makeup last longer and resist water, but may feel slightly tight on dry skin.
Irritation
low
Source
synthetic
A gentle fern extract with antioxidant potential, but research is limited and benefits are not yet well-established in human skin.
Irritation
low
Source
natural
Activated clay is a gentle, natural absorbent that helps draw out excess oil and surface debris without stripping the skin.
Irritation
low
Source
natural
A synthetic antioxidant that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
synthetic
A synthetic retinoid-like ingredient that may help smooth fine lines and improve skin texture, but can cause irritation in sensitive skin.
Irritation
moderate
Source
synthetic
A newer synthetic ingredient that may help firm skin and reduce wrinkles, but research is still early.
Irritation
low
Source
synthetic
A lab-made compound that may help support collagen, but research is still early and it's not a proven must-have.
Irritation
low
Source
synthetic
A lab-made antioxidant that may help protect skin from pollution and UV damage, but research is still early.
Irritation
low
Source
synthetic
A synthetic compound with potential antioxidant benefits, but research is very limited and it is rarely seen in mainstream products.
Irritation
low
Source
synthetic
Skin conditioning agent
ADAMANTANYLCARBOXAMIDO METHYLHYDROXYLBENZAMIDE
A synthetic ingredient that mimics a natural signaling peptide to help improve skin firmness and smooth wrinkles, but research is still emerging.
Irritation
low
Source
synthetic
Soothing agent
Adamantanylcarboxamido Trifluoromethylbenzonitrile
A synthetic compound that may reduce skin sensitivity by calming nerve signals, but research is still early.
Irritation
low
Source
synthetic
A gentle fern extract with antioxidant and soothing potential, but research is limited and benefits are not yet well-established.
Irritation
low
Source
natural
Adenine is a gentle, naturally derived ingredient that may help support skin repair, but research in cosmetics is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich root extract that may help calm skin and fight free radical damage, though research is still early.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is limited and benefits are not yet well-established.
Irritation
low
Source
natural
Adenosine is a gentle, science-backed anti-aging ingredient that helps smooth fine lines and improve skin firmness without irritation.
Irritation
low
Source
natural
A cellular messenger that may help support skin firmness and resilience, but research in topical cosmetics is still limited.
Irritation
low
Source
biotech
Adenosine phosphate is a gentle, energy-boosting ingredient that may help smooth fine lines and support skin firmness over time.
Irritation
low
Source
natural
Adenosine triphosphate (ATP) is the energy currency of cells, and when applied topically, it may help energize skin cells to support a firmer, more youthful appearance.
Irritation
low
Source
biotech
A gentle, antioxidant-rich oil from Patagonia that helps soothe and soften skin without clogging pores.
Irritation
low
Source
natural