Related Clues:

• Turn purple, perhaps
• Hide the gray
• Blacken or redden, often
• Violet, maybe
• Color Easter eggs
• Easter egg enhancer
• Fabric feature
• Do stuff?
• Tincture
• Hair-salon stuff
• Change one's locks?
• Prepare eggs, one way
• Redhead maker
• Stylist's supply
• One way to turn silver to gold