Olaplex No. 4 Bond Maintenance Clarifying Shampoo is a highly nourishing and reparative shampoo that repairs and protects hair. The shampoo battles treats damaged hairs, split ends and frizz by repairing and relinking broken bonds within strands of hair. The shampoo leaves hair shiner, healthier and easier to manage. As well as helping to improve the health of hair the shampoo is also safe for coloured hair, and is suitable for all hair types.