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Woolly hair is a rare congenital abnormality of the structure of the scalp hair marked by extreme kinkiness of the hair.
Features include very common findings: Fine hair, Woolly hair, Brittle hair, and Abnormality of hair texture; and common findings: Slow-growing hair and Hypopigmentation of hair. 12 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Eyes | 3 | Abnormal retinal morphology, Strabismus, Cataract |
Phenotype severity distribution: 4 very common features, 2 common features.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for isolated familial wooly hair disorder.
3 publications have been identified in PubMed for isolated familial wooly hair disorder. Research spans Review / Meta-Analysis (67%) and Basic Science / Preclinical (33%).
Chen X (2025). [PMID: 41100400](https://pubmed.ncbi.nlm.nih.gov/41100400/). *J Dermatol*. [Basic Science / Preclinical]
Xie Y (2025). [PMID: 41426600](https://pubmed.ncbi.nlm.nih.gov/41426600/). *Front Med (Lausanne)*. [Review / Meta-Analysis]
Shimomura Y (2025). [PMID: 37407443](https://pubmed.ncbi.nlm.nih.gov/37407443/). *Keio J Med*. [Review / Meta-Analysis]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 10:56 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center