Poly(C20-28 Olefin)

Poly(C20-28 Olefin) 1
Poly(C20-28 Olefin) 2
Synthetic
Occlusive
Skin Conditioner
Not Clean
Poly(C20-28 Olefin) is a polymer synthesized from C20-28 olefins
CAS #
64743-02-8
Form
Powder
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
Traditional Use
A synthetic polymer created in the late 20th century from petroleum-derived olefins for cosmetic use. Functions as a skin protectant and texture agent in skincare formulations without traditional historical use.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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