1, wipe it with a paper towel dipped in alcohol (preferably industrial alcohol), and then wipe it a few times to clean it;

2. Wipe the paper towel with acetone. It can remove the residual gums very quickly and easily, which is better than alcohol. These two solvents are the best of all methods.

3. The method of using nail polish remover is the same as alcohol and acetone. The effect is also very good;

4. Use hand cream, squeeze some hand cream on the residual glue, then rub it slowly with your thumb, and it will fall off after a while;

5. Use banana oil, where the paint is sold, in the same way as alcohol acetone.