Those "milk spots" are none of the above. They're most likely milia, which are in a class of their own. "Milia can be mistaken for whiteheads, as they can be yellow or white," says Marnie Nussbaum, MD ...

If you're prone to breakouts, you might consider yourself a pimple pro. You probably know how to identify whitehead bumps (pimples with a visible white tips), deeper blackheads (dark spots caused by ...