INCI name

POLYHYDROXYSTEARIC ACID

Polyhydroxystearic acid

A dispersing agent for pigments and mineral UV filters.

What it is

Polyhydroxystearic acid is a polymer of hydroxystearic acid. It helps disperse pigments and mineral UV filters evenly in oils.

Where it is used

Mineral sunscreens, foundations and coloured cosmetics.

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.

Functions

Surfactant – emulsifying
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

EU regulation

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

Products with this ingredient (425)

Check a full ingredient list