Total Results Unbreak My Blonde sulfate-free shampoo strengthens, and gently cleanses delicate hair with key ingredient, citric acid. Leaves hair soft, clean and shiny with it's highly-conditioning technology. Did you know: the hair is made up of three types of bonds: hydrogen, salt and disulfide. During the lightening process, these bonds are susceptible to damage, especially hydrogen and salt bonds which are more delicate. Citric acid is unique because it reinforces these weakened bonds which make up the majority of the hair fibre, so working it into your daily haircare routine is proven to be very effective with the Unbreak My Blonde Haircare system. Benefits: - Provides gentle cleansing for delicate hair - Revives broken hair - Reinforces broken bonds and revives over-processed chemically treated hair