Renbow Crazy Color Bleaching Kit. Renbows fabulous range of Crazy Color hair dyes work superbly on all types of hair, but to get really exotic colours with dazzling vibrancy, you first need to bleach the hair to the light yellow stage. This bleaching kit contains 2 sachets of bleach, cream peroxide and all the tools you need to get the colour you want. Disposable gloves Mixing bowl Spatula Tint brush 2 x bleach sachets (25 grams each) 100 ml 9 percent (30 vol) cream peroxide Full multilingual instructions. Can be used as a pre-lightener for any brand of hair colour or tint.