Thickener
ACRYLATES/STEARYL METHACRYLATE COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A synthetic copolymer of acrylates with stearyl methacrylate — thickens creams and lotions and helps keep oil-water blends stable. Polymer is inert on skin; main concern is environmental microplastic persistence.
Function
Skin benefits
- Effective rheology modifier
- Stabilizes oil-water blends
- Non-bioavailable polymer film former
Known concerns
- Microplastic concerns
- Residual acrylate monomer must be supplier-controlled
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related thickeners
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.