- 【Nail Lamp Needed】This nail charm glue gel need to be cured under 20-40W UV/LED nail lamp for 1-2 mins. The glue is a gel style so you have some time to maneuver the pieces/studs/nail art until it’s where you want it. Makes working with gems easier. 【Warm Tip】: Due to cooler weather, the Rhinestone Glue Gel may appear sticky. Don’t worry, it’s normal. You just need to soak no more than 4/3 of the bottle in hot water. You can use a nail polish stick to help you use it better