The Olaplex No.4 Bond Maintenance Shampoo is a highly nourishing and reparative shampoo that repairs and protects damaged hair by re-linking broken bonds. Formulated with patented Olaplex Bond Building Chemistry to restore, repair, and hydrate the hair without adding excess weight for strong, healthy and shiny hair. 

As with the rest of their line, Olaplex No.4 and No.5 are completely non-toxic as well as sulfate-free, paraben-free, vegan, gluten-free, nut-free and colour safe. For best results, use the 3-4-5 system.

How to use: 

Use every time you shampoo or after rinsing the Olaplex No.3 Hair Perfector Treatment from hair. Lather. Rinse. For optimal results, follow with the Olaplex No.5 Bond Maintenance Conditioner.

Olaplex No.4 Bond Maintenance Shampoo 250ml