Emulsifier

Stearoyl Lactylic Acid

INCI: STEAROYL LACTYLIC ACID

Reviewed by Kate · Last updated 18 Aug 2026

What Is Stearoyl Lactylic Acid?

Stearoyl Lactylic Acid (INCI: STEAROYL LACTYLIC ACID) is a cosmetic ingredient listed in the EU CosIng inventory. 2-(1-Carboxyethoxy)-1-methyl-2-oxoethyl stearate.

Its declared cosmetic functions are emulsifying and surfactant.

Source: European Commission CosIng inventory.

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