A strengthening and repairing shampoo for stressed; damaged hair.Formulated with a colour safe Active Rescue System; the Penetraitt Shampoo repairs and reconstructs the hair\'s natural health and deeply penetrates the hair shaft to remove any stress and product buildup from the hair. Deeply conditioning; fortifying and strengthening; the professional shampoo is an essential cleansing step for damaged; chemically treated and over processed hair; leaving it super strong and silky soft.