Most scabs on the scalp aren’t cause for concern. They may be caused by exposure to an irritant or a mild skin condition, and either heal on their own or with over-the-counter (OTC) treatments.
You've probably been told that the number one rule for getting rid of a zit is not to pick it, and yet, here you are, post-pimple pop and with an acne scab to show for it. Your first thought might ...