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Ingredient · INCI reference

Aluminum Starch Octenylsuccinate

Aluminum starch octenylsuccinate is a starch-based powder used to absorb oil and give a soft, dry, matte feel.

What it is

A modified starch supplied as a fine powder that absorbs oil and moisture, reduces shine and tackiness, and gives a smooth, dry, powdery feel. It is used to mattify and refine the texture of sunscreens and makeup.

Safety & warnings

An inert starch-based powder generally well tolerated.

Origin & sourcing

Derived from starch, modified for cosmetic use.

Questions everyone asks

What does this ingredient do?

It absorbs oil to reduce shine and gives a dry, soft, matte finish.

Is it a drying alcohol?

No, it is a starch powder that absorbs surface oil without stripping skin.

Sources & references

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