Isostearyl Alcohol

Isostearyl Alcohol

AKA “16-Methylheptadecan-1-ol, 41744-75-6, 16-methylheptadecanol, 1-Heptadecanol, 16-methyl-, W29XHH208C, Isostearyl Alcohol EX, CHEBI:84911, RefChem:1087832, 255-529-1”

Emollient

Ingredient Facts

Isostearyl alcohol

AKA: 16-Methylheptadecan-1-ol, 41744-75-6, 16-methylheptadecanol, 1-Heptadecanol, 16-methyl-, W29XHH208C, Isostearyl Alcohol EX, CHEBI:84911, RefChem:1087832, 255-529-1

Emollient · Emollient · EWG: 1

Plant-Derived

Emollient

Skin Conditioner

Plant Oil

Clean

16-methylheptadecan-1-ol is a long-chain primary fatty alcohol that is heptadecan-1-ol substituted by a hydroxy group at position 1 and a methyl group at position 16. It is functionally related to a heptadecan-1-ol. It derives from a hydride of a heptadecane.

Formula

C18H38O

Mol. Weight

270.50

CAS #

27458-93-1

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.

Viscosity Controlling

Locks In Moisture

Traditional Use

Developed as a synthetic fatty alcohol derived from isostearic acid in the mid-20th century. Created to provide thickening, emulsifying, and conditioning properties in cosmetic formulations.