The fantastic at home Olaplex Bond Maintenance Shampoo helps restores internal strength and moisture levels to add incredible shine and manageability.
"OLAPLEX No.4 is formulated with patented OLAPLEX Bond Building Chemistry to restore, repair, and hydrate the hair without adding excess weight. They reduce damage and frizz for strong, healthy, 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 at home!"