The usual term for bumps on the head is also known as swellings on the head, which can be large or small. If it is a relatively small swelling with localized symptoms such as redness, itching, and pain, it is often considered to be an episode of folliculitis of the head, mostly in men and women in their adolescence, which occurs due to the sebaceous glands producing a lot of oil and blocking the pores so that the oil cannot be discharged. In addition, if it is a relatively large swelling, it may be a sebaceous mole on the head, or certain skin tumors on the head, or even including a black mole on the head, which can be treated at this time with surgery or laser or freezing.