Use steps: 1. File the nail surface lightly 2. Apply a very thin layer of Bonder or Natural Nail Primer if needed 3. Apply Building Nail Gel and cure for 3~6 minutes. Apply additional coats if desired 4. Place the nails under the UV /LED lamp for a full 3~6 minutes to completely cure the gel 5. Apply a second coating of gel and cure for 3 ~6minutes 6.Clean the nails with a lint- free nail wipe saturated with the cleanser to remove the sticky uncured layer How to remove: Step 1. Soak off the nails into acrylic remover for about 5 ~7minutes. Step 2. Rip down the whole piece of nail enamel gently on each nail.