Sebastian Penetrait Shampoo is essential to strengthen any look any time. Features and Benefits: Strengthens hair Protects hair from stress Safe for color treated hair Strengthening and repair - shampoo. The Penetraitt System strengthens stressed hair against damage due to chemical treatments, heat damage and environmental elements. This system helps reduce breakage and removes impurities leaving hair clean, soft and bouncy. Color Safe. Sebastian Penetraitt Shampoo is a strengthening and repairing shampoo. With essential cleansing agents that strengthen any look, at any time Sebastian's Foundation Penetraitt Shampoo is there with a color-treated safe formula.