It seems that I haven't heard of any improvement methods, but you can try to keep your nails longer and pinch your fingertips more every day, that is, on both sides of the fingernail. Maybe it will be better in a few months, but don't get your hopes up. After all, you should have passed the growth period and taken shape by now. Of course, if you fail, I can guarantee that it will work, as long as you don't have the habit of biting your nails! ! !