A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
4 citations
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January 2018 in “International Journal of Trichology” A rare genetic disease causes sparse hair and early blindness due to a gene mutation.
13 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
October 2021 in “Dermatology practical & conceptual” A Saudi girl was diagnosed with Loose Anagen Hair Syndrome, a rare condition causing easy hair loss without scarring.