Related Clues:

• Coloring material
• Change colors
• Cosmetics ingredient
• Chromotrope
• Nonessential food ingredient
• One way to remove a spot?
• Turn black, in a way
• Turn red, maybe
• Do colorful work
• Just for Men product
• Change the locks?
• Cover-up of a sort
• Salon color
• Henna, for one
• Litmus, essentially