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Aluminum starch ocenylsuccinate
AKA “aluminum starch octenylsuccinate, modified starch”
Synthetic
Ingredient Facts
Aluminum starch ocenylsuccinate
AKA: Aluminum starch octenylsuccinate, Modified starch
Synthetic · Absorbent · EWG: 4
Plant-Derived Synthetic
Synthetic
Clean
Helps powders stay smooth and clump-free while absorbing excess oil and moisture for a flawless finish.
CAS #
9087-61-0
Form
Powder
See origin →
Functions
Absorbent
Anticaking
Thickener
Absorbs Excess Oil
Prevents Clumping
Controls Viscosity
Traditional Use
Developed as a synthetic starch derivative in the mid-20th century for use as an absorbent and anti-caking agent in powder cosmetics, replacing traditional starches with improved stability and performance.
Skin Types
●all-skin-types
Best For
Oiliness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Aluminum Starch Octenylsuccinate.
Akinsulie A, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
Aluminum Starch Octenylsuccinate.
Akinsulie A, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
Aluminum Starch Octenylsuccinate.
Akinsulie A, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
Aluminum Starch Octenylsuccinate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Aluminum Starch Octenylsuccinate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Aluminum Starch Octenylsuccinate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR