The Olaplex No. 4 Bond Maintenance Shampoo and Olaplex No. 5 Bond Maintenance Conditioner are the perfect pair for your hair care needs. No. 4 Shampoo gently cleanses while strengthening and repairing the hairs bonds. Then, No. 5 Conditioner deeply hydrates and nourishes, leaving hair soft and manageable. Both products are essential parts of the Olaplex care system, designed to maintain and extend the benefits of your Olaplex treatment. Together, they restore the health and vitality of your hair, protecting it from future damage. Enjoy stronger, softer, more radiant-looking hair with this winning duo. Instructions for use The instructions for using Olaplex No. 4 Bond Maintenance Shampoo and Olaplex No. 5 Bond Maintenance Conditioner are simple: Olaplex Nº4 Bond Maintenance Shampoo: 1. Wet your hair completely. 2. Apply an appropriate amount of Shampoo No. 4 to your hands and gently massage your scalp and hair. 3. Make sure to lather and apply the shampoo from roots to ends. 4. Rinse thoroughly with warm water. Olaplex Nº5 Bond Maintenance Conditioner: 1. After using Shampoo No. 4, apply a generous amount of Conditioner No. 5 to damp hair. 2. Distribute the product from the ends upwards, avoiding applying too much to the roots. 3. Leave on for at least 3 minutes for best results. 4. Rinse thoroughly with warm water.