A pre-shampoo hair repair serum with a patent-pending combination of maleic acid, transglutaminase and amino acids to repair and strengthen damaged hair. The formula with argan oil, squalane and coconut oil nourishes the hair from the inside out, leaving it soft and healthy.Application: Apply evenly to dry, combed hair from roots to ends. Do not apply to the scalp. Leave on for 1 hour only and then wash the hair.