rare genetic condition causing frizzy, unmanageable hair with unique shaft structure
Uncombable Hair Syndrome (UHS), also known as Pili Trianguli et Canaliculi or Spun Glass Hair, is a rare genetic condition characterized by dry, frizzy hair that stands out from the scalp and cannot be combed flat. The hair shafts are uniquely structured with a triangular or heart-shaped cross-section and a longitudinal groove, making them resistant to being styled or managed.
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