Propylene Glycol Dicaprylate/Dicaprate
AKA “Decanoic acid;2-octanoyloxypropyl octanoate”
Emollient
Ingredient Facts
Propylene glycol dicaprylate/dicaprate
AKA: Decanoic acid;2-octanoyloxypropyl octanoate
Emollient · Emollient · EWG: 1
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
See origin →
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.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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%
Effective Range
CIR reported use: 0.000099-2
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR