Dying your hair makes a real statement, from adding a subtle tint to dark hair to bleaching it and going all the colours of the rainbow. Semi permanent hair dyes are a great way to get the look you want without the chemicals associated with more permanent products. Renbow Crazy colour hair dye is easy and safe to use at home, but it's also widely used by professional hair stylists. Crazy Color is one of the most well-established unnatural hair dyes around so don't let the retro bottle put you off - this stuff has staying power! It also has a great range of semi-permanent colours unlike any others such as Pinkissimo, Peacock Blue, Aubgerine, Violette and Capri Blue. Each bottle contains 100ml of thick conditioning colour which makes it great for using with special dyeing effects.