Shampoo amp Cleansing. Wella SP 1.1 Hydro Shampoo is a gentle cleanser that removes dirt and residue from your hair, without overloading it with chemicals. It is an exclusive formulation that contains ingredients such as Glycerin, D Panthenol and Glucose, to penetrate the hair giving long lasting hydration, and protection against dryness. You hair will be left healthy, manageable and shiny.