A preshampoo hair treatment.Working beneath the surface of the hair; Philip Kingsley’s Bond Builder Restructuring Treatment is your new hair care musthave. Formulated with panthenol and advanced bond rebuilding rechnology; this treatment reinforces existing bonds and rebuilds broken ones; by strengthening the hair from the inside out. This intensive treatment leaves heavily processed strands stronger and smoother; with a visible reduction in damage and breakage. Your hair is going to love you. Proven to leave hair up to three times more resistant against damage Crueltyfree We asked a scalp expert for their top hair advice - find out what they said here