Check-In to Blonde Rehab with dry, brittle and frizzy hair. Check-Out with soft, strong and shiny blonde hair Reverse hair damage in just 1 wash with the Provoke Blonde Rehab N0'2 Strengthening Shampoo. Who is the perfect match? Blonde Rehab is designed specifically for those with damaged blonde hair, which is naturally thinner and more fragile. How does the bond repair system work? Formulated with a bond building complex and a boost of keratin & hyaluronic acid. It gently cleanses the hair with balanced pH levels, whilst strengthening hair bonds from within.