None of the liquid shampoo in market are 100% chemical free even if they claim to be made up of herbal materials. They contain chemical such as foaming agents, preservatives HPMC(hydroxyl propyl methyl cellulose) a thickening agent and many more harmful chemicals to which makers claim as safe. Sakhi Pure Herbal Shampoo Powder is the blend of 26 herbs in powder form which doesn�t require those chemicals to retain or boost the quality of the shampoo.