Isopropyl Isostearate

Isopropyl Isostearate

AKA “68171-33-5, Nikkol IPIS, Wickenol 131, Isooctadecanoic acid, 1-methylethyl ester, PRISORINE 2021, C67IXB9Y7T, CRODAMOL IPIS, DERMOL IPIS, JEECHEM IPIS”

Synthetic

Ingredient Facts

Isopropyl isostearate

AKA: 68171-33-5, Nikkol IPIS, Wickenol 131, Isooctadecanoic acid, 1-methylethyl ester, PRISORINE 2021, C67IXB9Y7T, CRODAMOL IPIS, DERMOL IPIS, JEECHEM IPIS

Synthetic · Emollient · EWG: 1

Synthetic

Emollient

Skin Conditioner

Synthetic

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.

Formula

C21H42O2

Mol. Weight

326.60

CAS #

31478-84-9, 68171-33-5

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.

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Holds Formula Together

Softens & Smooths

Conditions Skin

Smooths and softens skin

Holds ingredients together

Traditional Use

The CAS number for Dimethicone, a silicone polymer developed in the mid-20th century for industrial use and later adopted in cosmetics as a skin protectant and conditioning agent.