Acrylates/Steareth-50 Acrylate Copolymer
AKA “Acrylic polymer, Film former
Synthetic
Ingredient Facts
Acrylates/steareth-50 acrylate copolymer
AKA: Acrylic polymer, Film former
Synthetic · Film Forming · EWG: 4
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Synthetic
Not Clean
Octadecyl poly(oxyethylene) 2-propenoate, polymer with 2-methyl-2-propenoic acid, 2-propenoic acid or one or more of their simple esters Science: Origin: Botanic/Natural | Functions: Film Forming, Viscosity Controlling Safety Ratings: CIR: Safe as used
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
Occlusive
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Smoothing
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Controls product thickness
Traditional Use
Developed as a synthetic polymer for cosmetic use in the modern era. Functions as an emulsifier and stabilizer in various skincare and color cosmetic products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR