How is scalp acne caused?

Scalp acne is mainly seen in the following reasons: 1, clean is not in place, after a lot of sweating on the head, not cleaned in time, a lot of sweat distributed on the scalp, dust in the air falls on the scalp and sweat mixed together, blocking scalp pores, and cause acne. 2, wear high collar clothes, long-term friction occipital scalp, scalp damage, local bacterial infection, and the formation of acne. 3, often eat spicy stimulating food, stay up late for a long time, cause endocrine disorders, so that a large amount of scalp secretion of oil, oil plug pores, will also cause scalp acne. Combined with their own situation, find the cause, symptomatic treatment, can remove acne on the scalp.