- For color treated hair. 4-way color protection seals and protects haircolor molecules. Algaeplex seaa botanicals nourish hair to restore healthy shine and silky feel. A shampoo specifically for color-treated hair. To keep haircolor vibrant and protect against damage following a color service. For use following all haircolor service. Use a quarter-sized amount. Apply to wet hair, move the hands throughout the entire head and gently massage the hair and scalp evenly. Rinse thoroughly, repeat if desired and follow with Aquage Color Protecting Conditioner.