undefined 1
Polyglyceryl-5 Stearate
AKA “Polyglyceryl-5 Stearate”
Surfactant
Make this about you

Tap what applies — every card instantly flags it for you. Stays on your device, syncs if you're signed in.

Ingredient Facts
Polyglyceryl-5 stearate
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Polyglyceryl-5 Stearate is the monoester of stearic acid and Polyglycerin-5
CAS #
37349-34-1
See origin →
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
Synthesized in the mid-to-late 20th century from polyglycerin and stearic acid. Designed as a versatile emulsifier to replace traditional soap and animal-derived emulsifiers in a wide range of cosmetic products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
Verified Jun 2026
Data: CosIng · EWG · CIR