Colour to dye for: What do we know about the risks involved with colouring your hair?

Every two months, Barclay Cunningham goes through a process that begins with taking an antihistamine tablet. After a few hours, she smears a thick layer of antihistamine cream across her forehead, around her ears and over her neck. Finally, she shields the area with ripped-up plastic carrier bags.
Source: The Independent - Science - Category: Science Tags: Features Source Type: news