• The Nº.0 Intensive Bond Building Hair Treatment boosts the efficacy of OLAPLEX Nº.3 Hair Perfector by absorbing quickly to jumpstart repair deep within the hair strand.
• Nº.0 Intensive Bond Building Hair Treatment strengthens and rebuilds hair bonds and is scientifically proven: 68% more repair & 3x stronger hair*

*When used as a two-part system in just one use.