ISOCETYL STEARATE
Isocetyl stearate is a lipid ester, also identified as isohexadecyl stearate. Structurally, it joins a stearic-acid-related portion with a branched isohexadecyl chain, placing it among the oily ingredients used to give cosmetic products slip and a more fluid feel during application.
ISOCETYL STEARATE: what it is
Isocetyl stearate is a lipid ester, also identified as isohexadecyl stearate. Structurally, it joins a stearic-acid-related portion with a branched isohexadecyl chain, placing it among the oily ingredients used to give cosmetic products slip and a more fluid feel during application.
Although its name may resemble other fatty cosmetic materials, isocetyl stearate is not cetyl alcohol: it is an ester. That distinction matters for texture. Rather than being chosen as a waxy thickener, it is generally part of the oil phase to help create a softer, more gliding application.
ISOCETYL STEARATE: what it does in cosmetics
In cosmetics, isocetyl stearate is used as an emollient and skin-conditioning ingredient. For the person applying the product, that can mean less drag as it spreads and a smoother feel on the skin, which suits lotions, creams, and other formulas designed to feel comfortable during use.
This role is chiefly about the formula's texture and finish, not treatment of acne, dark spots, wrinkles, or skin disease. The Cosmetic Ingredient Review safety assessment covers alkyl esters in the use practices and concentrations it examined when products are formulated to be non-irritating; it does not make the isolated ingredient a specific clinical benefit.
Products containing this ingredient
See which products include it and the name used in each composition.
