November 2024 in “JAAD Case Reports” A 21-month-old boy has a rare genetic disorder causing sparse hair due to an LSS gene mutation.
6 citations
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June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
1 citations
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April 2024 in “Dermatology Practical & Conceptual” Hair loss in male frontal fibrosing alopecia may spare areas covered by a wristwatch.
May 2025 in “Dermatology Reports” A genetic mutation in the LIPH gene causes a rare hair disorder with sparse, curly hair.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
June 2001 in “European Journal of Dermatology” A 54-year-old woman experienced progressive hair loss starting in adolescence, leading to sparse scalp hair and almost no eyebrows or eyelashes.
115 citations
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September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
3 citations
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January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
2 citations
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July 2025 in “Journal of the European Academy of Dermatology and Venereology” The girl in "The Girl with a Pearl Earring" might have had alopecia areata, causing her lack of eyebrows and sparse eyelashes.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.