Herbatint is the finest, most natural permanent hair colouring gel free of harsh chemicals and Ammonia. Herbatint offers a safe, gentle and effective way to colour your hair and cover grey with just 1 application. Depending on the length of your hair, Herbatint can be used for 1 application or can be saved for a second application when the colour has grown out. Herbatint can be used even if a chemical dye has been used to colour your hair and if your hair has just been permed. It s easy to use and has no smell!