While it's tempting to pop pimples, it's best to leave them ... acne keloidalis nuchae (AKN), and acne cosmetica can all cause pimple-like bumps on the scalp. Acne cosmetica results from hair ...
Before we get into that, here's why in the event that you wake up to find a pimple on your nose, know that the last thing you should do is pop it. Also read | Want pimple-free face? Eight things ...