Olaplex No.O intensive Bond Building Hair Treatment 155ML

The Nº.0 Intensive Bond Building Hair Treatment strengthens and protects hair strands, eliminating visible symptoms of damage.  This lightweight solution, which contains the highest concentration of unique Olaplex Bond Building technology, serves as a primer, increasing the effectiveness of No.3 Hair Perfector.  This reparative hair treatment nourishes the hair, giving it a smooth, voluminous appearance.