Indus Valley New Hypo Allergic Aqua Colour is especially formulated for people with highly sensitive or allergy-prone skin. It contains no allergy-causing chemicals like PPD or PTDS and works with super-exotic 8 magical herbs. Indigo, Henna, Chamomile and Manjistha work to colour, nourish and condition the hair and scalp, while Senna, Amla, Brahmi and Fenugreek repair previous damages.It works as a great alternative to chemical based hair dyes.