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SESH INGREDIENT FILE

Steareth-21

INCI Steareth-21

Emulsifier Formula Support

What it is & what it does

Steareth-21 is a nonionic emulsifier used to create and stabilize oil-in-water creams.
It helps keep the emulsion uniform and gives a smoother spread. It does not act as a biological skin active.

Usage & cautions

Information approach Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.