Related Clues:

• Rhodamine and eosin, for two
• Causes of some highlights
• Easter-egg colorings
• Hides the gray, in a way
• Goes
• Hair salons stock them
• Easter needs
• Salon solutions
• Turns red, say
• Turns blue, perhaps
• Lock changers?
• Colorants
• Does batik
• Rugmaker's inventory
• Turns red, perhaps