Usage: Step 1. Trim and polish nails surface completely, clean and dry nails surface completely. (Important to help for long lasting) Step 2. Fully shake up the polish bottle to let the gel keep uniformity. Step 3. Apply a thin layer base coat first, cure with UV(1 minutes)/LED(30 seconds) nail dryer lamp. (It is normal for a base coat keep stick after curing.) Step 4. Apply a thin layer color gel polish, cure with UV(1-2 minutes)/LED(30 seconds) nail dryer lamp. Repeat this step to apply the next layer. (Normally 2-3 thin layers is better) Step 5. Apply a thin layer top coat, cure with UV(2-3 minutes)/LED(60 seconds) nail dryer lamp. Help for the high glossy. (Normally 2 thin layers is better) How to keep long lasting? Remember to cap the free nail edge of each layer.