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

POTASSIUM SHELLAC

Safety grade: A

A natural coating derived from lac, a resinous substance produced by insects on trees, this ingredient creates a protective, glossy finish on your skin and hair. It helps cosmetics last longer while giving products a smooth application and attractive shine.

Graded using: COSING.

Last verified: June 9, 2026