Sebastian Professional Penetraitt Duo This shampoo and conditioner duo from Sebastian Professional is ideal for dry, damaged hair that\'s in need of some TLC. The Penetraitt Duo boasts two of Sebastian Professional\'s finest products that combine to give you nourished, hydrated and silky soft hair. Providing essential care for overstyled or chemically treated hair, this Penetraitt Duo is a must have. This set contains the following products: Sebastian Professional Penetraitt Shampoo (250ml) For really damaged, overstyled and chemically treated hair try Sebastian Professional Penetraitt Shampoo. Its active rescue system penetrates the hair, repairing and reconstructing its natural health for super-strong, silky soft style. Sebastian Professional Penetraitt Conditioner (250ml) Sebastian Professional Penetraitt Conditioner is essential care for your damaged hair, to strengthen any look, any time while removing and guarding it from stress caused from past chemical treatments and heat damage. Sebastian comes to your hair’s rescue with this colour safe and deep conditioning, fortifying and strengthening conditioner.