Manicure colour regrets are a real thing. If you have gel nails but want to change the colour, you may be wondering if it is okay to paint nail polish on top. Will it mess up your nails?
Step 1: polish: find a cuboid that can be grasped by hand. One of the flat side, with sandpaper wrapped, hand press after polishing. The direction order of polishing plane is: horizontal first then vertical. When grinding, first up and then down, first outside and then inside, the selection of sandpaper is first thick and then fine.