Acrylates/t-Butylacrylamide Copolymer
AKA “Acrylic polymer, Film former
Synthetic
Ingredient Facts
Acrylates/t-butylacrylamide copolymer
AKA: Acrylic polymer, Film former
Synthetic · Film Forming · EWG: 1
Synthetic
Occlusive
Synthetic
Clean
Copolymer of ter-butyl acrylamide and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters Science: Functions: Film Forming, Hair Fixing Safety Ratings: CIR: Safe as used
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Fixing
Creates Protective Barrier
Creates protective layer
Holds hair in place
Traditional Use
A synthetic copolymer developed for cosmetic applications. Used to provide texture and stability in skincare and styling products.
Skin Types
all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
EWG
1
CIR
Insufficient
Pregnancy
CIR Safety Findings
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Mild Irritant
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR