Maravisus Cleans, Nourishes and repair removes yellow tones Color enhancing revitalizes and adds shine Salt Sulfate and Parabens free With Smart reparative proteins Shampoo 8.16 oz Brand: Visit the Boe Store Maravisus Silver Hair a conditioning combination to reduce yellow and copper tones from gray and discolored hair. Formulated with Smart Reparative Proteins actives that works on the hair strand surface specifically where the damage is made, after the bleaching or coloring process.