New Delhi, May 4 -- Colouring your hair may give a new look, but you must not compromise the health of your strands. So, if you are planning to experiment with your hair colour, choose herbal products as they are free from harmful chemicals. Unlike regular hair dyes which contain ammonia, natural hair dyes are formulated using henna, indigo, amla, and other botanical extracts. These ingredients are rich in vitamin C, antioxidants, and other essential nutrients, which may help contribute to your hair's health. Besides enhancing your natural hair colour, they may even coat the hair shaft, reduce the appearance of grey strands, strengthen your hair and promote hair growth. We have compiled a list of the best herbal hair colours that you may ...