Vitry Boost Nail Serum is a fortifying treatment designed to beautify and strengthen nails. Formulated with 95% natural origin ingredients, its vegan formula features black rose extract for elasticity, urea to nourish and smooth, and biotin (Vitamin B8) to stimulate keratin production. This non-greasy serum absorbs quickly to intensely nourish nails, restoring their vitality and shine. For optimal results, apply 3-4 drops to bare nails nightly for at least four weeks, massaging to facilitate absorption.