Isostearyl Alcohol

ISOSTEARYL ALCOHOL

Data confidence:High

Function

Emollient, Emulsifier

EWG Safety Score

2/10Low concern

About this ingredient

Isostearyl alcohol is a branched-chain fatty alcohol derived from isostearic acid, functioning as an emollient and thickening agent in cosmetic formulations. It provides a smooth, non-greasy feel to skin care and sunscreen products while improving texture and spreadability. This ingredient enhances skin conditioning properties and helps stabilize emulsions.

Found in 1+ sunscreens