Why black pimple head is coming in elbow and knees?
1 doctor answer • 1 doctor weighed in
Plastic Surgery 34 years experience
Ingrown hair?: It may a condition called ingrown hair. Ingrown hairs are hairs that have curled around and grown back into your skin instead of rising up from it. Sometimes dead skin can clog up a hair follicle. That forces the hair inside it to grow sideways under the skin, rather than upward and outward. It may look dark because of hair inside.
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5.3k viewsAnswered >2 years ago
Last updated May 30, 2016
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