Olaplex Nº.4 Bond Maintenance Shampoo hydrates every type of hair, from colored to natural, with its specially balanced pH and patented technology. Deeply nourish and repair each strand with this highly concentrated formula for maximum benefit. Make every wash a revitalizing experience by also using Nº.5 Bond Maintenance Conditioner - the ideal addition to your daily routine! Benefits: The Nº.4 Bond Maintenance Shampoo boosts manageability and softness. The Nº.4 Bond Maintenance Shampoo amplifies luminosity and imparts a more lustrous, healthy appearance to hair. The Nº.4 Bond Maintenance Shampoo helps prevent...