INCI name

ROSIN

Rosin (colophony)

A natural pine resin used as a binder, film former and thickener.

What it is

Rosin, also known as colophony or colophonium, is according to CosIng the residue left after the volatile oil is distilled off from the oleoresin of Pinus palustris and other species of the pine family (Pinaceae). CosIng lists it as a binding, film-forming and viscosity-controlling ingredient.

Where it is used

Found in depilatory waxes, mascaras, nail products and lip 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.

As a natural material, its composition can vary between batches. It may also appear on labels under the name colophonium.

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 (14)

Check a full ingredient list