INCI name

ALUMINUM STARCH OCTENYLSUCCINATE

Aluminum starch octenylsuccinate

A modified starch powder that absorbs oil.

What it is

Aluminum starch octenylsuccinate is starch modified with octenylsuccinic anhydride and aluminium. It absorbs oil and gives a dry, silky feel.

Where it is used

Powders, foundations, dry shampoos and mattifying creams.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Despite the name it is not an antiperspirant aluminium salt.

Functions

Absorbent
Taking up water- and/or oil-soluble (dissolved or finely dispersed) substances.
Anticaking
Preventing agglomeration of particulate solids into lumps or hard masses (cohesive cake), thus allowing free flow of particles.
Viscosity controlling
Increasing or decreasing the viscosity (thickness) of cosmetics.

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (330)

Check a full ingredient list