Possible Clues:

• Redhead's helper
• Decorative tattoo dye
• Redhead's secret, maybe
• Beard dye in some cultures
• Medium for the body art of mehndi
• Reddish-orange 36-Down
• Dye for hair takes girl hour -- about!
• Hard-faced woman returned with colouring agent
• Hospital put girl up for shock treatment
• Rhode Island bird not available in Red