OLAPLEX Intense Bond Maintenance Kit delivers optimum repair to keep your clients hair strong and prepped for their next salon visit. No.0 is our pro-inspired treatment to prime hair for deeper repair, rebuild hair bonds, strengthen and protect hair integrity. Use with No.3 Hair Perfector as a weekly treatment to reduce breakage and improve its look and feel. No.4 Bond Maintenance Shampoo is a color safe, highly moisturizing, reparative shampoo that leaves hair shiny, healthier and easy to manage. No. 5 Bond Maintenance Conditioner is a highly moisturizing and reparative conditioner that benefits all hair types and textures.