Sebastian Penetraitt Strengthening Repair Shampoo & Conditioner 1 L Duo 33.8 Oz New. Sebastian Repair Shampoo Strengthening 33.8 oz 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. It is color safe! Sebastian Penetraitt […]