Penetraitt Overnight Repairing Serum by Sebastian for Unisex - 3.2 oz Serum

Sebastian Penetraitt Overnight Repair Serum with Hyaluronic Acid and Niacinamide that penetrates and helps to repair your hair while you sleep. Wake up to your hair looking & feeling replenished and ready for limitless styling. Penetrates overnight, helping to repair the hair cuticle from the inside out.