Propylene Glycol Isostearate

AKA “EINECS 269-027-5, Isooctadecanoic acid, monoester with 1, 2-propanediol, RefChem:149646, DTXCID50815702, 2-hydroxypropyl 16-methylheptadecanoate, Propylene glycol monoisostearate”

Synthetic

Ingredient Facts

Propylene glycol isostearate

AKA: EINECS 269-027-5, Isooctadecanoic acid, Monoester with 1, 2-propanediol, RefChem:149646, DTXCID50815702, 2-hydroxypropyl 16-methylheptadecanoate, Propylene glycol monoisostearate

Synthetic · Cleansing · EWG: 4

Plant-Derived Synthetic

Cleanser

Skin Conditioner

Synthetic

Clean

A gentle cleansing agent that removes makeup and impurities while conditioning skin. Derived from natural sources, it helps maintain skin's natural moisture barrier.

Effective at 30.15%

Formula

C21H42O3

Mol. Weight

342.60

CAS #

68171-38-0, 63799-53-1

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.

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Locks in moisture

Traditional Use

Synthetic ester developed as a modern emollient and skin conditioning agent for cosmetics. Designed to provide smooth texture and enhanced spreadability in formulations.