Cetyl Caprylate
AKA “29710-31-4, Cetyl octanoate, Octanoic acid, hexadecyl ester, Hexadecyl caprylate, Hexadecyl N-octanoate, DTXSID30865508, RefChem:1081382, DTXCID90813909, Hexadecyl octanoate
Emollient
Ingredient Facts
Cetyl caprylate
AKA: 29710-31-4, Cetyl octanoate, Octanoic acid, Hexadecyl ester, Hexadecyl caprylate, Hexadecyl N-octanoate, DTXSID30865508, RefChem:1081382, DTXCID90813909, Hexadecyl octanoate
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Plant Oil
Not Clean
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Effective at 3.0%
Formula
C24H48O2
Mol. Weight
368.60
CAS #
29710-31-4
Form
Liquid
See origin →
Functions
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 created in modern cosmetic chemistry as a light, fast-absorbing conditioning agent. Designed as an alternative to natural oils for cosmetic formulations.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
2.0%
4.0%
0%6%
Effective Range
CIR reported use: 2-4
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR