Goldwell dualsenses scalp specialist deep cleansing shampoo is a purifying shampoo especially formulated to deeply cleanse over burdened and oily hair formulated with zink pca hydro lime extract and chelating agents this cleanser regulates the production of sebum preventing the quick formation of grease the build up of styling products and chlorine is gently yet effectively removed and hair is left visibly healthy and glossy whilst scalp is fresh and clear