Polyglyceryl-2 Dioleate

AKA: Diglycerin dioleate, Diglyceryl dioleate, 9-Octadecenoic acid, Diester with oxybis(propanediol)
Synthetic
Occlusive
Not Clean
1,2,3-Propanetriol, homopolymer, 9-(Z)-octadecenoates (1:2) (2 mol glycerol average molar ratio)
CAS #
67965-56-4, 60219-68-3
Form
Liquid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Antioxidant Protection
UV Protection
Traditional Use
Developed in the mid-20th century as a synthetic polyglyceryl ester emulsifier derived from oleic acid (found in plant oils). Used in cosmetics for emulsification and skin conditioning.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️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