The last word in hair repair. Used once a week in shower, this treatment goes deep to help reverse the look of past damage, fortifies hair fibers to protect against future damage, and smoothes the cuticle for shine and softness. Powered by our Honey Bond-Building Complex, it builds new bonds to strengthen hair + helps repair damage from the cortex to the cuticle. Color-safe.Bb.Products are free from parabens, phthalates, mineral oil, and formaldehyde. Once a week, after cleansing with Bond-Building Repair Shampoo, apply from roots to ends. Leave on for 5 minutes. Rinse. FROM THE PROS Work treatment from lengths to the roots to get the most product in the areas that need it the most. Press product into the hair so that the product surrounds and penetrates every strand. For extra moisture, mix Hairdressers Invisible Oil Mask with Bond-Building Repair Treatment in your hands, then apply and rinse.