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Hypotrichosis simplex of the scalp (HSS) is characterized by diffuse progressive hair loss that is confined to the scalp.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for hypotrichosis simplex of the scalp.
3 publications have been identified in PubMed for hypotrichosis simplex of the scalp. Research spans Case Report / Case Series (67%) and Review / Meta-Analysis (33%).
AlMudimeegh A (2024). [PMID: 39206379](https://pubmed.ncbi.nlm.nih.gov/39206379/). *JAAD Case Rep*. [Case Report / Case Series]
Zhuang M (2024). [PMID: 39902296](https://pubmed.ncbi.nlm.nih.gov/39902296/). *Front Genet*. [Case Report / Case Series]
Williams KN (2024). [PMID: 38861138](https://pubmed.ncbi.nlm.nih.gov/38861138/). *Dermatol Ther (Heidelb)*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 3:16 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center