This gel formula,without ammonia, is simple and fast to use. It represents the first approach to colour for natural hair. Does not require an activator and immediately colours hair. Intensifies the natural hair colour and emphasizes cosmetic hair colour. Tones highlights, camouflages white hair and adds intense creative reflects on bleached hair. Can be used immediately after a perm or relaxing treatment. The result is vibrant and intense colour that lasts 8-10 washes.