Cleanses while adding hydration and repair.

All OLAPLEX® products contain our patented technology, strengthening fragile bonds with every step of the routine for the healthiest hair possible.”Our best-selling shampoo, is now formulated to celebrate the beauty of blonde. OLAPLEX® No.4 BOND MAINTENANCE™ SHAMPOO cleanses while adding hydration and repair. The newest addition to the family, OLAPLEX® No.4-P maintains all the benefits of the original and deposits just the right amount of tone to neutralize any unwanted warmth between salon visits.”