LA Girl Calcium Nail Builder Miracle results in days Makes nails strong Ideal for weak & thin nails LA Girl Calcium Nail Builder helps to restore weak, brittle nails, while building thicker nails in just days & gives protection & added shine. Directions Apply under & over nail color or apply two coats over natural nails alone. May be used as a basecoat and/or topcoat under or over nail polish. Re-apply every 2-3 days for stronger, more durable nails. Ingredients Butyl Acetate, Ethyl Acetate, Nitrocellulose, Isopropyl Alcohol, N-Butyl Alcohol, dinutyl Phthalate, Stearalkonium Hectorite, Camphor, Calcium-Pantothenate, Benzophenone-1.