murphySteareth-10 Allyl Ether/Acrylates Copolymer
molecular structure · PubChem
AKA: Modified Steareth Polymer
Plant-Derived
Occlusive
Clean
OriginDerived from stearyl alcohol (a fatty alcohol) and acrylic monomers as primary chemical components. Synthesized through polymerization of acrylates with steareth-10 allyl ether via free-radical polymerization.
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
Skin Types
●all-skin-types
Best For
General
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
—
Concentration Guide
Leave-on0.025–1.5%
Rinse-off1.5%
0%50%100%
CIR reported use · 2018 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR