Indus Valley Bio Color for Professionals use Only is 100% Certified Organic Hair Colour that is made up of 100% pure, premium certified organic herbs. It has a soft and gentle conditioning effect and other scalp + hair caring effects. Available in 36 vibrant colours. It balances the looks, colour and health of the hair. It is free from harmful chemicals like PPD, Peroxides, Ammonia, Heavy metals and parabens . It comes with 500g bulk pack & doesn't use chemicals even for the purpose of preservation. It does not penetrate into the hair shafts, but coat the outside of each hair shaft with a protective and volumizing layer.