What it is: The Nevo Reparative Sulfate-Free Shampoo is formulated with a mega-dose of two of nature's most complete proteins - Quinoa and Soy Protein. What it does: Nevo Reparative Shampoo restores the hairs elasticity, strength and shine to troubled hair. What else you need to know: Nevo's proprietary Drops of the Amazon provide effective surface conditioning to protect color and provide a silky smooth finish.