Isooctyl Caprylate/Caprate
AKA “Isooctyl Caprylate/Caprate, Mixed Caprylic/Capric Acid Ester
Emollient
Ingredient Facts
Isooctyl caprylate/caprate
AKA: Mixed Caprylic/Capric Acid Ester
Emollient · Antioxidant · EWG: 3
Synthetic
Antioxidant
Emollient
Skin Conditioner
Plant Oil
Not Clean
Isooctyl Caprylate/Caprate is the ester of a branched chain octyl alcohol with a mixture of caprylic and capric acids
CAS #
-
Form
Liquid
See origin →
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Plasticiser
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
A synthetic ester developed in the 20th century as an emollient and solvent in cosmetics. Designed to provide lightweight moisturizing properties and improve skin feel in formulations.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR