A biotin-enriched hair serum that strengthens, volumizes, and moisturizes fine or weak hair while smoothing frizz and enhancing shine. Key Features • Biotin + Amino Acids: Fortifies hair fibers, reduces breakage, and promotes healthier growth • Lightweight Leave-In: Absorbs quickly without greasiness; no rinsing needed • Water-Resistant: Maintains effects even after water exposure • Adds Volume & Vitality: Makes hair appear fuller, smoother, and shinier • Nourishing Formula: Includes hyaluronic acid, arginine, panthenol, niacin, plant extracts, and hydrolyzed silk & keratin for deep conditioning How to Use Shake well, apply a few drops to clean damp hair or scalp, massage in, leave it in (no rinse), and use daily or 2–3 times weekly for optimal results .