If you get blackheads -- a type of acne that happens when dead skin cells and oil clog your pores -- you have plenty of methods to treat them. There are also ways to prevent new ones from forming.

A pimple is a type of acne that develops when bacteria, dirt, dead skin cells, and sebum (oil) clog your pores. The result is a small, tender, raised bump on the skin that's sometimes filled with pus.