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C5-6 Olefin/Styrene Copolymer
AKA “Olefin/Styrene Copolymer, Plastic Polymer”
Skin Conditioning
Ingredient Facts
C5-6 olefin/styrene copolymer
AKA: Plastic Polymer
Skin Conditioning · Depilatory · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Ethenylbenzene copolymer with C5-6 olefins
Form
Liquid
State
Solid
See origin →
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 developed as a film-forming agent in cosmetics to provide texture, adherence, and water resistance in makeup and styling products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR