NU-Cil Eyebrow Serum is powered by by NouriPlex Technology a clinically proven blend of ingredients to address thinning, patchy and over-tweezed brows. It increases thickness, fullness, and produces darker -looking eyebrows. How To Use Step 1: Cleanse the skin and allow the skin to completely dry. Step 2: Nightly, apply the serum from the root of your eyebrow and follow the natural shape of your brow. Step 3: Wait 90 seconds for the product to dry then continue your skincare routine. DO NOT APPLY to any other areas. Ingredients NouriPlex® Technology - A unique blend of biotin, panthenol, sodium hyaluronate and a proprietary lipid compound. Biotin - Supports the natural production of keratin. Proprietary Lipid Compound - Helps address the appearance of patchy, over-tweezed eyebrows. Sodium Hyaluronate - A form of hyaluronic acid that attracts and retains water to both hydrate and improve the appearance of thickness and density of the eyebrow. Panthenol - Also known as Vitamin B5, helps with hair conditioning, moisture and texture improvement. Full Ingredients Aqua/water/eau, biotin, phenethyl caffeate, dehydrolatanoprost, acrylates/C10-30 alkyl acrylate crosspolymer,sodium hyaluronate, C12-15 alkyl benzoate, caprylyl glycol, alcohol, panthenol, phenoxyethanol, sodium hydroxide.