Sebastian's Penetraitt Night Repair Serum with Hyaluronic Acid is an intensive overnight treatment designed to repair and revitalize damaged hair. Formulated with hyaluronic acid, this serum penetrates deeply into the hair fiber to provide optimal hydration while strengthening the hair. It helps restore elasticity, prevent breakage, and leaves hair soft, shiny, and easy to style. Used before bedtime, this serum works overnight to reveal visibly healthier hair by morning. HOW TO USE Step 1 : Apply a small amount of serum to clean, damp hair, focusing on lengths and ends. Step 2 : Do not rinse. Style as usual. Step 3 : For best results, use every night before bed for continuous repair. INGREDIENTS Aqua (Water), Dimethicone, Glycerin, Hydrolyzed Soy Protein, Acetyl Hydrolyzed Wheat Protein, Sodium Hyaluronate, Cetrimonium Chloride, Isopropyl Alcohol, Fragrance (Parfum), Disodium EDTA, Hydroxyethylcellulose, Citric Acid, Benzyl Alcohol, Linalool, Limonene.