Acrylates/Beheneth-25 Methacrylate/Steareth-30 Methacrylate Copolymer
molecular structure · PubChem
AKA: Hair Conditioning Polymer, Film Forming Agent
Plant-Derived
Occlusive
Not Clean
Acrylates/Beheneth-25 Methacrylate/Steareth-30 Methacrylate Copolymer is a copolymer of beheneth-25 methacrylate, steareth-30 methacrylate and one or more monomers consisting of acrylic acid, methacrylic acid or one of their simple esters; Docosanylpoly(oxyethane-1,2-diyl) 2-methyl-2-propenoate (25 mol EO average), polymer with octadecylpoly(oxyethane-1,2-diyl) 2-methyl-2-propenoate (30 mol EO average) and one or more of 2-propenoic acid, 2-methyl-2-propenoic acid, or one of their simple esters
CAS #
888492-33-9
Form
Liquid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
A complex synthetic polymer created for advanced cosmetic formulations. Designed to enhance emulsion stability and product texture.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR