The ultimate hair repair treatment your overprocessed strands have been waiting for The restorative preshampoo hair treatment mask for damaged hair. Proven to make hair up to 3X more resistant against damage*. Bond Builder Restructuring Treatment works beneath the surface of the strands at a molecular level to repair damaged and processed hair from the inside out. This onestep treatment fits easily into every hair care regimen, without the need for any further steps or specific insalon activatio