Earth Science Earth Science, Super Concentrated Shampoo, Olive & Avocado™, For Normal to Dry Hair, 6 fl oz (177 ml) ERS-174911.24Buy!$iHerb.comDelivery: in USA ReportUltra PremiumSoftens, Strengthens & Repairs Dry, Damaged HairColor SafeSulfate FreeGluten FreeParaben FreeCruelty FreeSuper Concentrated Shampoo - for normal to dry hair. Formulated with silk protein more→to help repair damaged hair, argan oil and shea butter for luster and shine. Hair looks softer, thicker and more manageable. pH 4.5-5.5.