COLOPHONIUM is graded A (Safe) by Expert·ING, based on COSING regulatory data.

COLOPHONIUM

Rosin

Safety grade: A

Rosin is a sticky, amber-colored substance derived from pine tree resin. It's been used for centuries in various products and has a naturally adhesive quality.

This ingredient acts as a binder and film-former in cosmetics, helping products stick together and form a protective layer on skin, while also controlling thickness and is sometimes used in hair removal products.

Graded using: COSING.

Last verified: May 26, 2026