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. Remove the cuticle,trim the edge,polish your nails and make sure they are dry and clean. Remember to apply base coat or top coat, the thinner,the better. Don't apply the polish too close to your skin or cuticle. Product Safety Direction Before applying, take a skin test and wait for minutes to check for any allergies. Remove it immediately if redness or any other signs of adverse reactions occur. Due to different physical constitutions, some people may have an allergic reaction to this product. If you encounter any problems with our products, please seek help from us directly. Do not apply to nails that damaged or infected. How to remove? Use nail file to file off the top coat gently. Wrap it tight in remove wraps,holding for 5-10 mins. Use cuticle pushier to remove softened gel slightly.