Polyglyceryl-2 Dioleate

AKA: Diglycerin dioleate, Diglyceryl dioleate, 9-Octadecenoic acid, Diester with oxybis(propanediol)
Synthetic
Occlusive
Not Clean
OriginDerived from glycerin and oleic acid, members of the polyol ester chemical family. Synthesized through esterification of polyglycerin with oleic acid under catalytic conditions.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
2 studies / 2 not irritating (CIR 717)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2023
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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