SPF Scout · Ingredient

C18-38 Alkyl Hydroxystearoyl Stearate

Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)

CAS 222722-18-1

What this ingredient generally does

A waxy ester that softens and smooths skin feel while helping keep the mix stable. It also adjusts the thickness of the formula, so it holds together and spreads with the right body.

Reviewed before publication. This note describes function in a formulation — nothing else.

Published formulations that list this ingredient

These are the formulations currently published in the SPF Scout catalog whose stored ingredient declaration includes this ingredient. It is not a list of every product on the market, and the order carries no meaning.

Checking this against your own list

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Where this information comes from

Ingredient names, CAS numbers and recorded functions come from SPF Scout’s curated ingredient dictionary, grounded in CosIng, the European Commission’s Cosmetic Ingredient Database. Content © European Union, reused with acknowledgement.

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