Brand: QIMISI Elite99 Professional usage step: 1. Clean Nails then trim nail surface as normal manicure process. 2. Fully shake up the polish, it can make the polish color be balanced. (Important) 3.Apply a thin layer of Elite99 One Step Gel. Make sure to apply a smooth even coat, then cure under a UV light for 2 minutes or an LED light for 1 minute. (Necessary) 4. Apply a second thin layer of Elite99 One Step Gel, cure with UV lamp for at least 3 minutes or cure with LED lamp for 2 minutes. For Some light colors, you may need to apply a third layer to get a deeper color effect. Remove: 1. Soak off the nails into acrylic remover for about 5 minutes, 2. Rip down the whole piece of nail enamel gently on each nail. Other Tips: 1. Avoid all skin contact. If redness or other signs of adverse reaction occur, discontinue use immediately. 2. Keep tightly sealed. Keep out of sunlight. Keep out of reach of children.