Steareth-10 Allyl Ether/Acrylates Copolymer
AKA “Modified Steareth Polymer
Ingredient
Ingredient Facts
Steareth-10 allyl ether/acrylates copolymer
AKA: Modified Steareth Polymer
Ingredient · Film Forming · EWG: 2
Plant-Derived
Occlusive
Clean
Steareth-10 Allyl Ether/Acrylates Copolymer is a copolymer of the allyl ether of Steareth-10 (q.v.) and one or more monomers consisting of acrylic acid, methacrylic acid or one of their simple esters
CAS #
109292-17-3
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
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Controls product thickness
Traditional Use
A modern synthetic polymer created for cosmetics in the late 20th century to provide film-forming and emulsifying properties in skincare and haircare formulations.
Skin Types
all-skin-types
Best For
General
EWG
2
CIR
Safe as used
Pregnancy
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR