C4-6 Olefin/Styrene Copolymer
molecular structure · PubChem
AKA: Plastic Polymer
Synthetic
Skin Conditioner
Not Clean
Ethenylbenzene copolymer with C4-6 olefins
Form
Liquid
State
Solid
Functions
Depilatory
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A synthetic polymer created as a film-forming and thickening agent in modern cosmetics, developed to provide texture, stability, and wear resistance in makeup and skincare products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR