A gentle natural gum that helps thicken formulas and leaves a light, non-sticky film on skin.
Irritation
low
Source
natural
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 natural gum that helps thicken formulas and leaves a light, non-sticky film on skin.
Irritation
low
Source
natural
Acrylamide is not a direct cosmetic ingredient but a potential impurity in certain polymers; regulatory limits exist to keep levels safe in finished products.
Irritation
moderate
Source
synthetic
A safe, effective thickener that gives products a smooth, lightweight feel, but its synthetic origin and potential for trace acrylamide residue raise minor concerns.
Irritation
low
Source
synthetic
A synthetic thickener and stabilizer that helps create lightweight, non-greasy gel textures in skincare and haircare.
Irritation
low
Source
synthetic
Film Former
ACRYLATES/CETEARETH-25 METHACRYLATE/METHACRYLAMIDE CROSSPOLYMER
A safe, synthetic thickener and film-former that helps products feel smooth and spread evenly without clogging pores.
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 gentle synthetic thickener that helps create smooth, stable lotions and creams without clogging pores.
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
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
A gentle, seaweed-derived thickener that helps create smooth gel textures without irritating skin.
Irritation
low
Source
natural
A gentle, seaweed-derived thickener that gives gels a smooth texture without clogging pores or irritating skin.
Irritation
low
Source
natural
A gentle seaweed-derived thickener that helps create smooth, spreadable textures and may offer light hydration.
Irritation
low
Source
natural
A seaweed-derived thickener and gentle film-former that helps create smooth, spreadable textures without clogging pores.
Irritation
low
Source
natural
A synthetic thickener and stabilizer that helps keep makeup and creams smooth, but may be moderately pore-clogging for some.
Irritation
low
Source
synthetic
A safe, effective thickener and emulsifier that improves product texture without common irritation concerns.
Irritation
low
Source
semi-synthetic
Viscosity Controlling Agent
AMMONIUM ACRYLOYLDIMETHYLTAURATE/CARBOXYETHYL ACRYLATE CROSSPOLYMER
A gentle synthetic thickener that creates a smooth, non-sticky gel texture without clogging pores.
Irritation
low
Source
synthetic
Thickener
AMMONIUM ACRYLOYLDIMETHYLTAURATE/STEARETH-8 METHACRYLATE COPOLYMER
A gentle synthetic thickener that helps create a smooth, non-sticky gel texture in skincare products.
Irritation
low
Source
synthetic
Thickener
AMMONIUM ACRYLOYLDIMETHYLTAURATE/VINYL FORMAMIDE COPOLYMER
A safe, effective synthetic thickener that gives water-based products a smooth, non-sticky feel without clogging pores.
Irritation
low
Source
synthetic
A gentle, seaweed-based thickener that helps create smooth, stable formulas without clogging pores or irritating skin.
Irritation
low
Source
natural
A safe, synthetic thickener that gives water-based products a smooth, non-sticky feel without clogging pores.
Irritation
low
Source
synthetic
Behenyl alcohol is a gentle, plant-derived fatty alcohol that thickens and stabilizes formulas without clogging pores or irritating skin.
Irritation
low
Source
natural
Viscosity Controlling
Butoxyhydroxypropyl Cetyl Hydroxyethylcellulose
A gentle, semi-synthetic thickener that helps create a smooth, non-greasy texture in skincare products.
Irritation
low
Source
semi-synthetic
Viscosity Controlling
C12-16 ALKOXY HYDROXYPROPYL ETHYL HYDROXYETHYLCELLULOSE
A gentle, semi-synthetic thickener that improves product texture and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
Viscosity Controlling
C12-16 ALKYL PEG-2 HYDROXYPROPYL HYDROXYETHYL ETHYLCELLULOSE
A gentle, semi-synthetic thickener that improves product texture and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
A safe, non-drying fatty alcohol that gives creams a silky feel and helps stabilize formulas without clogging pores.
Irritation
low
Source
natural
A safe, non-drying fatty alcohol that helps thicken and stabilize creams and lotions without clogging pores.
Irritation
low
Source
synthetic
A gentle, seaweed-derived thickener that can help soothe and calm the skin while improving product texture.
Irritation
low
Source
natural
A plant-based wax that gives lip products and creams a smooth, stable texture without common irritation.
Irritation
low
Source
natural
A gentle, non-irritating thickener that improves product texture without clogging pores.
Irritation
low
Source
semi-synthetic
Carnauba wax is a natural, plant-based thickener and shiner commonly found in lip products and creams, with a very low risk of irritation or clogged pores.
Irritation
low
Source
natural
Carrageenan is a natural seaweed extract that helps thicken and soothe skincare products, but its film-forming effect may not suit everyone.
Irritation
low
Source
natural
A gentle, plant-based thickener that helps create a smooth, spreadable texture in skincare products without clogging pores.
Irritation
low
Source
natural
Cellulose is a gentle, plant-derived ingredient that thickens formulas and can provide mild physical exfoliation without irritation.
Irritation
low
Source
natural
Ceresin is a safe, non-irritating wax that gives products a smooth texture and helps lock in moisture.
Irritation
low
Source
synthetic
Cetyl alcohol is a safe, non-drying fatty alcohol that helps thicken and stabilize products while leaving skin soft and smooth.
Irritation
low
Source
natural
A gentle, non-irritating thickener that improves product texture and stability without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, effective thickener that improves product texture without clogging pores or irritating skin.
Irritation
low
Source
biotech
Viscosity Controlling
Dimethylacrylamide/Sodium Acryloyldimethyltaurate Crosspolymer
A safe, effective thickener that gives gels and creams a smooth, non-sticky feel without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-derived thickener that gives skincare products a smooth, lightweight gel texture without clogging pores or irritating skin.
Irritation
low
Source
natural
Ghatti gum is a natural thickener that improves product texture and stability, but it's not a star active ingredient for skin benefits.
Irritation
low
Source
natural
A gentle, plant-derived thickener that improves product feel and stability without clogging pores.
Irritation
low
Source
natural
A synthetic wax that helps create a smooth, creamy texture in lip and skin products without clogging pores.
Irritation
low
Source
synthetic
A safe, non-irritating wax that gives lipsticks and balms their smooth, firm texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-based thickener that gives products a smooth, silky feel without clogging pores.
Irritation
low
Source
natural
A gentle, hydrating ingredient that helps skin hold onto moisture without feeling heavy or sticky.
Irritation
low
Source
biotech
A gentle, plant-derived thickener that improves product texture and stability without irritating skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived thickener that improves product texture without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-based thickener that gives products a smooth, non-greasy feel without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived thickener that improves texture and stability without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
Viscosity Controlling
Hydroxypropylcellulose Stearyl Carbamate
A gentle, semi-synthetic thickener and stabilizer that improves product texture without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A gentle seaweed powder that helps thicken and soothe formulas, but its benefits are mostly textural rather than active.
Irritation
low
Source
natural
A gentle thickener that improves product texture without significant skin concerns.
Irritation
low
Source
semi-synthetic
Film Former
METHACRYLIC ACID/SODIUM ACRYLAMIDOMETHYL PROPANE SULFONATE COPOLYMER
A synthetic polymer that helps create a smooth, spreadable texture and can leave a light, flexible film on skin or hair.
Irritation
low
Source
synthetic
A gentle, plant-derived thickener that improves product texture and stability without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived thickener that improves product texture without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived thickener that improves product texture without common irritation concerns.
Irritation
low
Source
semi-synthetic
A petroleum-derived wax that gives lipsticks and creams a smooth, stable texture, but may not suit those avoiding petrochemicals.
Irritation
low
Source
synthetic
Emollient
Cera Alba (Beeswax), Cera Flava (Yellow Beeswax), Cera Microcristallina, Cera Carnauba (Copernicia Cerifera Cera), Cera Candelilla (Euphorbia Cerifera Cera)
A wax blend that helps lock in moisture and give products a rich, protective feel, but may clog pores for some skin types.
Irritation
low
Source
mixed
Natto Gum is a gentle, natural thickener from fermented soy that can add a silky feel and light hydration to products, but research on its skin benefits is still limited.
Irritation
low
Source
natural
A gentle thickening agent that improves product texture and stability, generally safe for most skin types.
Irritation
low
Source
semi-synthetic