Related Clues:

• Roots may need this
• Shade provider
• Help with the dishes
• See 38-Across
• Redhead's secret, maybe
• Reddish-brown
• Dentist's request
• Dye source
• Wash
• Post-wash cycle
• Salon selection
• Color
• Alter, in a way
• Red dye no. 1?
• Salon shade