What makes healthy hair dull, discolored, dry, unmanageable, or oily Buildup. N .4C Bond Maintenance Clarifying Shampoo is new technology to reveal your healthiest hair. Optimize your hair repair results by removing more impurities that damage hair. Harsh clarifiers can leave hair like straw. N .4C is sulfate-free & pH balanced to maintain hydrated hair. Where: Focus at the root and work through to ends.. When: Use weekly in place of your regular shampoo. For: All hair types and textures. PH Balanced Vegan Cruelty Free Nut Free Paraben Free Phthalates Free Phosphate Free Sulfate Free Gluten Free Directions: Apply and massage product throughout hair. Thoroughly rinse product from hair.