Are you looking for a shampoo for rough or dull hair? Gold Proetin Nourishing Shampoo is specially formulated for dry hair. Its cleansing formula provides shine and softness from the first washes. Its vegan formula is enriched with supernutrient active ingredients such as Argan and Linen oils, as well as a cocktail of Amino Acids, which help repair hair by providing shine, flexibility and softness from within. Vegan.