Polyglyceryl-8 Stearate

Plant-Derived

Cleanser

Emulsifier

Plant Oil

Not Clean

1,2,3-Propanetriol, homopolymer, monooctadecanoate

CAS #

37349-34-1, 75719-57-2

Functions

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Emulsifier

Mixes Oil & Water

Traditional Use

A synthetic emulsifier combining glycerin with stearic acid, a fatty acid present in animal fats and plant oils historically used in soap-making. Modernized for stable cosmetic formulations.

EWG

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

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️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