Brand new, unused and unopened travel size Kérastase 8H Magic Night Serum. Size is 1 fl oz. Full size is 3 fl oz. for reference. From Sephora: What it is: A lightweight serum that hydrates hair while you sleep to strengthen, detangle, and enhance shine. Hair Type: Straight, Wavy, Curly, and Coily Hair Texture: Fine, Medium, and Thick Key Benefits: - Intensely Nourishes and Detangles Hair - Boosts Shine, Strength, and Hydration - Absorbs Overnight Without Transferring Onto Pillow Highlighted Ingredients: - Iris Root Extract: Nourishes for up to eight hours+ and replenishes lost nutrients. - Five-Vitamin Blend: Seals in nutrients and leaves hair with a satin finish. What Else You Need to Know: This serum absorbs overnight, nourishing, moisturizing, and detangling to leave hair soft, boosted with nutrients, protected against dryness, and strengthened when you wake up. Apply to dry or damp hair for a luxuriously shiny look. Clinical Results: In a study, after application of Nutritive Shampoo for Dry Hair, Nutritive Mask for Dry Fine Hair, and Nutritive 8H Magic Night Serum Hydrating Treatment vs. a non-conditioning shampoo, results showed: - 3.2X more conditioned hair - 99.3% less breakage