https://www.indus-valley.com/lp/natural-hair-colour.html

Colour your Hair without any fear of damage with Indus Valley Gel Hair Colour. Ammonia and PPD free natural hair colour provides 100% grey coverage in single application without any damage. Made with organically natural herbs, the hair colour is gentle for all types of hair. The hair colour repairs the already damaged hair and imparts shine to dull tresses.