A polymer thickener and stabilizer. It builds gel texture and keeps ingredients mixed and does not affect skin.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
A functional thickener and stabilizer. Safe.
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer is a synthetic polymer that works as a thickener and stabilizer. Its job is to give a formula body and gel texture, keep other components evenly dispersed and stabilize emulsions. It is common in gels, light creams and serums. The verdict is direct. This is a functional formulation component, not a care active. It does not target wrinkles, pigment or hydration: its role is structural, setting the texture and stability of the product. Expecting a skin effect from it makes no sense. For topical use in pregnancy and breastfeeding it poses no concern. It is a large cosmetic polymer that does not penetrate and has no meaningful systemic absorption, so it can be used in these stages. Tolerance is high. Low irritation and low allergy potential. It is used precisely because it is inert on skin, which makes it compatible with formulas for sensitive skin. In practice it causes no reactions.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer suits: normal, dry, combination, oily, sensitive.
A polymer thickener and stabilizer.
The INCI name is Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer. It may also appear as: Аммония акрилоилдиметилтаурат/бегенет-25 метакрилат кросс-полимер.
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