OLAPLEX Bond Maintenance No. 4

Formulated with OLAPLEX Bond Building chemistry. Restores, repairs, and hydrates without adding excess weight. Eliminates damage and frizz for strong, healthy, shiny hair. • Helps protect and restore damaged hair by repairing disulfide bonds broken during chemical processing. • The use of Bis-Aminopropyl Diglycol Dimaleate is a truly innovative new ingredient with protective, nourishing and restructuring action for rejuvenating hair. Sulfate-Free Paraben-Free Vegan Nut Free Color Safe