However, there are many the amazing uses of these ills which we surely do not know. Here are the top 9 uses of aspirin: 1.It is helpful in the case of insect bites and stings. 2.It dries up pimples. 3.It can rejuvenate the skin. 4.It treats hard calluses. 5.It treats dandruff. 6.It eliminates perspiration stains.