Propylene Glycol Dicaprylate/Dicaprate

Propylene Glycol Dicaprylate/Dicaprate 1
AKA: Decanoic acid;2-octanoyloxypropyl octanoate
Synthetic
Emollient
Skin Conditioner
Plant Oil
Clean
Decanoic acid, mixed diesters with octanoic acid and propylene glycol
Effective at 1.0%
CAS #
68583-51-7, 58748-27-9, 68988-72-7
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
Developed in the late 20th century as a synthetic blend of propylene glycol diesters. Used in contemporary cosmetics as a versatile emollient that combines the properties of caprylic and capric acid esters for balanced moisturization and texture.
EWG
1
CIR
Safe as used
Pregnancy
Yes
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 Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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: CosIng · EWG · CIR