The Index · Modified starch absorbent
Aluminum Starch Octenylsuccinate
Aluminum Starch Octenylsuccinate
Hydrophobically modified starch that absorbs oil and reduces tack.
FunctionalFunctional ingredient, not graded for skin benefits
Sign in to save and follow
Hydrophobically modified starch that absorbs oil and reduces tack.
What it does
Gives balms a drier afterfeel and soft-focus finish.
The evidence
Functional ingredient (not graded for skin benefits): CIR modified starches; sensory powder. Credible chemical identity and cosmetic-use context come from CIR/SCCS/manufacturer INCI definitions and databases such as SpecialChem/PubChem[1].
How to use it
Expect this as a supporting INCI line item unless labeled as a featured active.
What it does in the formula
Functional ingredient — not graded for skin benefits
Hydrophobically modified starch that absorbs oil and reduces tack.[1]
Safety & limits
Source and region, always
all — Used in cosmetics within conventional leave-on/rinse-off levels; see cited safety literature.[1] CA US EU UK
Sources · 2
Numbered as cited in the text
- [1]Cosmetic Ingredient Review. Modified Starches. CIR (2015)regulator
- [2]SpecialChem. SpecialChem INCI profile: Aluminum Starch Octenylsuccinate. SpecialChem (2024)other
Revision history
18 Sept 2026Drafted by botTheSkindex Desk