Experience the transformative power of Sebastian Penetraitt Deep Strengthening and Repair Masque. This intensive treatment is designed to deeply nourish and rebuild hair, restoring strength and vitality from within. Ideal for damaged or chemically treated hair, it works to repair and protect, leaving your locks smoother, stronger, and more resilient. For best results, apply generously to towel-dried hair. Massage into the scalp and through the lengths and ends. Leave on for 3-10 minutes, then rinse thoroughly.