Ammonium Styrene/Acrylates/Ethylhexyl Acrylate/Lauryl Acrylate Copolymer
molecular structure · PubChem
AKA: Film-Forming Polymer
Synthetic
Occlusive
Not Clean
OriginSynthesized from styrene, acrylic acid derivatives, ethylhexyl acrylate, and lauryl acrylate monomers from petroleum feedstocks. Produced through free-radical polymerization of these monomers, then neutralized with ammonia to form the ammonium salt.
Ammonium Styrene/Acrylates/Ethylhexyl Acrylate / Lauryl Acrylate CopolymerAmmonium is the ammonium salt of Styrene/Acrylates/Ethylhexyl Acrylate / Lauryl Acrylate Copolymer
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Reduces Inflammation
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2018
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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