Glyceryl Dioleate

AKA: [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate, Di-oleoylglycerol, ((2S)-3-hydroxy-2-((E)-octadec-9-enoyl)oxypropyl) (E)-octadec-9-enoate, Oleic acid diglyceride, (+--)-1, 2-diolein, 2-dioleoylglycerol, CHEBI:75945, 25637-84-7
Synthetic
Emollient
Skin Conditioner
Clean
Dioleic acid, diester with glycerol
Formula
C39H72O5
Mol. Weight
621.00
CAS #
25637-84-7
Form
Liquid
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Modern synthetic ester developed in the 20th century as an emollient and emulsifier for cosmetics. Created to provide skin conditioning properties similar to natural oils while offering improved stability in formulations.
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
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR