Bamboo is the worlds richest source of natural silica, the lightweight mineral vital to creating volume in hair. Bamboos abundant silica swells the diameter of each hair fibre from within, for noticeably thicker hair.This daily sulphate-free shampoo removes excess oil that weighs down hair.- Delivers body u0026 fullness to fine, thin hair.- Provides gentle cleansing without leaving hair rough or dry.- This sodium chloride-free formula contains Gugo Bark for rich, abundant lather.