PPG-15 Stearyl Ether

AKA: Stearyl PPG-15

Plant-Derived

Emollient

Skin Conditioner

Clean

Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-octadecyl-.omega.-hydroxy-

CAS #

25231-21-4

Form

Liquid

Functions

Emollient

Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.

Locks In Moisture

Traditional Use

Combines stearyl alcohol (derived from animal or vegetable fats, traditionally used as an emollient) with modern synthetic polymers for cosmetic formulation stability.

EWG

CIR

Reviewed by CIR

Pregnancy

Yes

CIR Safety Findings

all-shades-safe

Regulatory Status

USAunder review

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR