Polyglyceryl-10 Pentaoleate

Synthetic
Cleanser
Emulsifier
Clean
1,2,3-Propanetriol, homopolymer, 9-(Z)-octadecenoates (1:5) (10 mol glycerol average molar ratio)
CAS #
86637-84-5
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
Developed as a modern synthetic emulsifier combining polyglycerin with oleic acid. Used in cosmetics to create stable emulsions and improve product moisturizing properties.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR