100 percent grey coverage. Zero percent ammonia.Trusted by more than 4 crore happy users,BLACK DIAMOND  original is India's largest selling hair colour. Its colour-lock formula ensures long-lasting colour with 100 percent grey coverage. Not just that, it comes with the safety of no ammonia and hence, zero damage to the protein in your hair. Use it for natural looking colour and an experience to talk about.black diamond original is available in a natural black shade.