INCI name

POLYVINYL BUTYRAL

Polyvinyl butyral

A synthetic film-forming resin.

What it is

Polyvinyl Butyral is a synthetic resin made by condensing polyvinyl alcohol with butyraldehyde. CosIng lists it for binding, film forming and viscosity control.

Where it is used

Found mainly in nail polishes and base coats, and in some long-wear makeup and peel-off products.

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

Binding
Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.
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 (147)

Check a full ingredient list