Aluminum Starch Octenylsuccinate

ALUMINUM STARCH OCTENYLSUCCINATE

Data confidence:Moderate

Function

Absorbent, Anti-caking Agent, Texture Enhancer

EWG Safety Score

3/10Moderate concern

About this ingredient

A modified starch derivative created through esterification of starch with octenylsuccinic anhydride and aluminum salts. It functions as an absorbent and anti-caking agent in powders and sunscreens, absorbing excess moisture and oil to reduce shine while improving texture, spreadability, and wear resistance.

Found in 2+ sunscreens