Possible Clues:

• Hard girl sent back cosmetic
• Henry's first and Henry's second turned reddish-brown
• Reddish cosmetic dye
• Reddish brown girl turns up at last at hotel
• Body-art dye
• A Bronte comes back from hospital with added colour
• Skin colorer
• What comes to an end when the girl turns up and dies, by the sound of it
• Auburn
• Red rinse