Genital pimples and herpes sores can look similar but have key differences. Pimples stem from clogged hair follicles, while herpes sores are viral blisters that break into painful ulcers.

What causes scalp acne? Scalp acne is due to a buildup of dead skin cells, debris, and oil which clog hair follicles, creating acne lesions, says Green. According to Brooke Grant Jeffy ...

Typical are so-called hair tufts, where multiple hair shafts emerge from one dilated follicle opening ... concentrated on the lower occiput. [8] Acne keloidalis nuchae is easily recognized ...

Acne and its treatments, the sebaceous gland is in hypersecretion. Cut of skin of the epidermis and dermis. Normal hair follicle and acne pimple in the center. The acne pimple forms around the ...