INCI name

HYDROGENATED STYRENE/METHYLSTYRENE/INDENE COPOLYMER

Hydrogenated styrene/methylstyrene/indene copolymer

A hydrocarbon resin used as a film former and viscosity controller.

What it is

Hydrogenated styrene/methylstyrene/indene copolymer is a hydrogenated polymer of styrene, alpha-methylstyrene and indene, a synthetic hydrocarbon resin. CosIng lists it as a film-forming and viscosity-controlling agent.

Where it is used

Used in lipsticks, lip glosses, mascaras, foundations and other makeup.

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.

The INCI name does not show the molecular weight or softening point of the resin.

Functions

Film forming
Producing (upon application) a continuous film on the skin, hair or nails.
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 (17)

Check a full ingredient list