Superficial folliculitis is an inflammation of the upper section of the hair follicle, and may be caused by an injury to the follicle, by infection, or by a chemical irritation of the follicle.

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This causes small bumps in the skin. Folliculitis is caused by infection (bacterial, viral or fungal), or damage to the hair follicles due to other reasons such as shaving or skin irritation.

Here’s a summary of the more common causes (and symptoms) of bumps on the scalp. Folliculitis is a skin infection caused by damage to your hair follicles. This infection can result in raised red ...