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

ROSIN

Safety grade: A

Rosin is a sticky, amber-colored substance derived from pine tree resin. It's been used for centuries in adhesives, varnishes, and various products because of its strong binding properties.

Rosin is used in cosmetics to bind ingredients together, create a protective film on the skin or hair, and adjust the thickness and texture of the product.

Graded using: COSING, FDA.

Last verified: May 26, 2026