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Acrylates/Beheneth-25 Methacrylate/Steareth-30 Methacrylate Copolymer
AKA “Hair Conditioning Polymer, Film Forming Agent”
Synthetic
Ingredient Facts
Acrylates/beheneth-25 methacrylate/steareth-30 methacrylate copolymer
AKA: Hair Conditioning Polymer, Film Forming Agent
Synthetic · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
Creates a lightweight, breathable layer that helps makeup and skincare products stay put throughout the day without feeling heavy or sticky.
CAS #
888492-33-9
Form
Liquid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Binding
Creates Protective Barrier
Traditional Use
A complex synthetic polymer created for advanced cosmetic formulations. Designed to enhance emulsion stability and product texture.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR