Renbow Crazy Color is THE product for those who like to experiment with different hair colours. The Renbow Crazy Color is the perfect hair colour product for achieving eye-popping shades and is used by the likes of Lady Gaga and Katy Perry. A pioneering range of vibrant shades that has paved the way for trend and hair fashion from its conception in the early 70s to the present day. A daring hair colour choice that delivers looks with impact. Apply CRAZY COLOR to wet hair with a brush, laying color on the entire length of the hair shaft, stopping about A-inch away from the scalp. A semi-permanent hair colour that works best when applied to bleached/fair hair for a vibrant effect. After shampooing, towel-dry the hair and apply direct, spreading evenly. Leave for 10/15 minutes, then rinse thoroughly. Please always read manufacturers instructions.