Add Yahoo as a preferred source to see more of our stories on Google. In a new Instagram video, Dr. Pimple Popper pulls out a “humungous” blackhead that is hard as a rock. A blackhead of this size is ...

Blackheads form when pores clog with dead skin cells and excess oil (sebum), and squeezing or popping them can cause scarring and skin damage. Over-the-counter blackhead treatments often work best ...