Pimples on the scalp could be caused by fungal infections, excess oil or sweat, and poor hygiene. To treat scalp acne, try medicated shampoos with ingredients like tea tree oil and coal tar.

Though it may not be as visible as facial acne, scalp acne can be uncomfortable, itchy, and even painful. If left untreated, it may lead to infections or hair thinning. Fortunately, several ...