Isocetyl Isodecanoate
AKA “RefChem:791690, Isodecanoic acid, isohexadecyl ester”
Synthetic
Ingredient Facts
Isocetyl isodecanoate
AKA: RefChem:791690, Isodecanoic acid, Isohexadecyl ester
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight moisturizer that softens and conditions skin, leaving it smooth and supple without feeling heavy or greasy.
Formula
C26H52O2
Mol. Weight
396.70
CAS #
129588-05-2
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
Synthetic ester developed as a cosmetic emollient in the late 20th century. Created to provide superior skin conditioning and a smooth, silky texture in skincare and color cosmetic formulations.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR