HC YELLOW NO. 18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HC YELLOW NO. 18

Safety grade: A

A bright yellow colorant commonly used in hair dyes and other cosmetic products to create vibrant shades. It's a synthetic dye that blends with other colors to achieve the desired tint in formulas like hair color treatments and makeup.

Graded using: COSING.

Last verified: June 9, 2026