Go Beyond Surface Repair. Introducing L'Oreal Paris EverPure Bond Strengthening Shampoo and Conditioner. Our system with StrongCore Science, strengthens hair inside and out by reinforcing weak hair bonds. Did you know that the hair fiber is made up of both "strong" and "weak" bonds When hair is colored, bleached or damaged it can become weak and fragile. EverPure Bond Strengthening Shampoo and Conditioner helps repair the strength of weak bonds in just 6 uses. Our system gently cleanses and helps strengthen hair inside & out, leaving hair soft & smooth, while protected from future damage. 100% sulfate-free, paraben-free, dye-free, gluten-free and vegan. Validated by hair colorists.