Check the listing for details. Sebastian Penetraitt Shampoo, 33.8 oz. Condition: New with box. Listed at 25.69 USD. Sebastian Penetraitt Shampoo, 33.8 oz Guard your hair from stress with the Sebastian Penetraitt Strengthening and Repair Shampoo. This reparative shampoo is essential to strengthen hair damaged by chemical treatment, heat, and environmental elements. It helps to guard hair from future and past stresses from chemical treatments and thermal damage. This gentle cleansing shampoo features an active rescue system that deeply penetrates that hair, removes impurities, and reduces breakage. It leaves stressed hair clean, soft, and bouncy and is recommended for enhancing the radiance and richness of color-treated hair. Benefits: Professional moisturizing shampoo Reduces breakage Great for chemically-treated hair Active rescue system Directions: Massage shampoo into wet hair and create a rich lather. Rinse thoroughly. Follow with Penetraitt Conditioner or Masque.