aluminum starch octenylsuccinate
A synthetic powdery thickening agent, absorbent, and anti-caking agent used in cosmetics. When listed among the first few ingredients in a product, chances are the product will have a powder-like matte finish and fast dry time.
References for this information:
Toxicology and Applied Pharmacology, March 2018, Volume 342, pages 14-21
Colloids and Surfaces B: Biointerfaces, November 2015, Volume 135, pages 183-192
International Journal of Pharmacy and Pharmaceutical Sciences, January 2013, Volume 5, Issue 1, pages 306-309
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