How to use: 1.Pen point is colourless when receiving the goods.(Normal) 2.Push the pen point several times,wait for several seconds and then the color wiill come out.(Important) 3.Apply the color gel on your nail and cure. 4.If there is floating gel on the nail surface, please wipe it off. 5.Draw pattern you want on your nail and wait it dry naturally. 6.Seal with top coat and cure. 7.Cover the cap immediately. Gentle Tips: 1. If redness or other signs of adverse reaction occur, discontinue use immediately.(show the label whenever possible) 2. Keep tightly sealed. Keep out of sunlight. Keep out of reach of children.