Perfector treatment Hair Perfector No. 3, 100 ml, Olaplex Home maintenance product that will maintain the strength, structure, integrity, softness and shine of the hair. Use once a week between coloring services to strengthen hair. Instructions for use: 1. Apply a generous amount of product from roots to ends on towel-dried, unwashed hair. Run the comb through the hair once. Leave it on for at least 10 minutes. For damaged hair repeat the application without rinsing. 2. Rinse hair, shampoo and use regular conditioner. Presentation: 100 ml