Formulated to perfection by me, CRYSTAL OIL is the answer to your ultimate nail health. The moisturizing blend of grape seed, sweet apricot, and essential oils keeps natural nails, nail color and nail enhancements tough (strong) and flexible while essential oil brightens nail discoloration. Directions: Roll on a small amount to clean hands and gently massage oil into each cuticle and nail twice daily for maximum care and repair.Shelf life: 1 year from date of purchase. Do not store in direct sunlight.