What causes pseudofolliculitis barbae (PFB)?

Updated: Feb 07, 2019
  • Author: Thomas G Greidanus, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

African Americans are genetically predisposed to pseudofolliculitis barbae because of the curvature of their hair follicles. Improper shaving techniques and the desire for a clean-shaven appearance can result in ingrown hairs via extrafollicular or transfollicular penetration.


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