EWG Rating – 1


It is a polyethylene glycol ether obtained from stearic acid.

What Is It?

It is a synthetic cleansing agent & emulsifier used in skin care & hair care products.

What Does Research Say About This Ingredient?

It is also used as a solubilizing agent. It is a non-ionic emulsifier. A waxy solid material that helps oil and water to mix together.

Benefits of Steareth-21 on Skin/Hair after Topical Application

It is considered safe to be used on skin & hair when present in product formulations.