C5-6 Olefin/Styrene Copolymer

AKA: Plastic Polymer
Synthetic
Skin Conditioner
Not Clean
Ethenylbenzene copolymer with C5-6 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 developed as a film-forming agent in cosmetics to provide texture, adherence, and water resistance in makeup and styling products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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