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

COLLOIDAL DIAMOND

Safety grade: A

Colloidal diamond consists of extremely tiny diamond particles suspended in a liquid or gel. These microscopic particles are so small they can be incorporated into skincare products without feeling gritty.

Colloidal diamond is used in cosmetics to provide antioxidant protection and help shield skin from environmental damage and free radicals.

Graded using: COSING.

Last verified: May 26, 2026