Propylene Glycol Dicaprylate
molecular structure · PubChem
AKA: 7384-98-7, Propylene glycol dioctanoate, 1, 2-Dicaprylin, Octanoic acid, 1-methyl-1, 2-ethanediyl ester, 2-PROPYLENE GLYCOL DICAPRYLATE, FEMA NO. 4471, 1'-(1-methyl-1, 2-ethanediyl) ester
Synthetic
Emollient
Skin Conditioner
Plant Oil
Clean
The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use and concentration described in this safety assessment in cosmetics when formulated to be non-irritating...Propylene Glycol Dicaprylate...
Effective at 1.0%
Solubility Practically insoluble or insoluble in water
Formula
C19H36O4
Mol. Weight
328.50
CAS #
7384-98-7
Form
Powder
State
Clear colourless liquid; Rich fatty fruity aroma
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
Traditional Use
Created in the late 20th century as a synthetic ester. Used in modern skincare and cosmetics as a lightweight emollient and texture modifier, valued for providing moisture without heaviness or residue.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
9.9e-05%
2.0%
0%14%
Reported use
CIR reported use: 0.000099-2
Regulatory Agencies
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