Polyglyceryl-5 Stearate

Polyglyceryl-5 Stearate 1
photograph
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginTypically derived from coconut, palm kernel, or soybean oils as natural starting materials. Synthesized through polyesterification of glycerin and stearic acid via esterification reactions.
Polyglyceryl-5 Stearate is the monoester of stearic acid and Polyglycerin-5
CAS #
37349-34-1
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on1%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2023
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR