Restores the hair's natural pH balance after the application of hair color. Citric balance shampoo keeps color fresh for longer by sealing the hair cuticle and locking color inside. Leave hair feeling soft and flexible and looking naturally glossy. FORMULA Hydrolyzed keratin: a protein that guarantees maximum repair of the hair’s internal layers. Fruit acids: keep the hair cuticle sealed resulting in longer lasting hair color. Hydrolyzed wheat: natural source of proteins and minerals.