Check the listing for details. Sebastian Penetraitt Masque, 5.1 oz. Condition: New with box. Listed at 14.25 USD. Sebastian Penetraitt Masque, 5.1 oz Strengthening Masque! De-stress your hair with the Sebastian Penetraitt Deep Strengthening and Repair Masque. This hair-transforming masque helps to strengthen and repair weak hair from previous chemical treatments and thermal damage while leaving your hair shiny and strong! The Sebastian Penetraitt Deep Strengthening and Repair Masque is formulated with an active rescue system that leaves hair super strong, silky soft, and easy to manage. It helps to deeply fortify hair strands even when they are at their most vulnerable state. It is ideal for those with color-treated, or non-color-treated hair types that are looking for instant repair and vitality. Benefits: Professional hair-strengthening mask Provides deep repair for weak hair Great for chemically-treated hair Active rescue system Directions: Remove excess water from hair. Saturate hair completely with masque focusing on the most damaged areas. Leave on for 2-3 minutes. Rinse thoroughly.