Rare diseases · Sign or symptom
Fine hair
Fine hair shaft
HP:0002213
What it means
Hair that is fine or thin to the touch.
Rare diseases that can present with this56
Very common80–99%
25- Ablepharon macrostomia syndrome
- Acquired hypertrichosis lanuginosa
- Acrogeria
- ADULT syndrome
- Ankyloblepharon-ectodermal defects-cleft lip/palate syndrome
- Autosomal recessive hypohidrotic ectodermal dysplasia
- Cardiofaciocutaneous syndrome
- Cerebellar ataxia-ectodermal dysplasia syndrome
- Cerebellar-facial-dental syndrome
- Choroidal atrophy-alopecia syndrome
- Conductive deafness-ptosis-skeletal anomalies syndrome
- Distal duplication 6p syndrome
- Ectodermal dysplasia-intellectual disability-central nervous system malformation syndrome
- Hawkinsinuria
- Hereditary mucoepithelial dysplasia
- Hypohidrotic ectodermal dysplasia-hypothyroidism-ciliary dyskinesia syndrome
- Hypotrichosis simplex of the scalp
- Intellectual disability, Buenos-Aires type
- Microcephalic osteodysplastic primordial dwarfism type II
- Monilethrix
- Netherton syndrome
- Ringed hair disease
- Trichodermodysplasia-dental alterations syndrome
- Woolly hair
- Woolly hair nevus
Common30–79%
18- 19q13.11microdeletion syndrome
- 2q32q33deletion syndrome
- Adrenomyeloneuropathy
- Amelo-onycho-hypohidrotic syndrome
- Björnstad syndrome
- Cockayne syndrome
- Dubowitz syndrome
- Focal dermal hypoplasia
- Frontonasal dysplasia-alopecia-genital anomalies syndrome
- Genitopatellar syndrome
- Hypodontia-dysplasia of nails syndrome
- Hypotrichosis with juvenile macular degeneration
- Oculocerebrorenal syndrome of Lowe
- Ogden syndrome
- Osteopenia-intellectual disability-sparse hair syndrome
- Severe intellectual disability-poor language-strabismus-grimacing face-long fingers syndrome
- Short-limb skeletal dysplasia with severe combined immunodeficiency
- Weaver syndrome
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Fine hair texture · Thin hair · Thin hair shaft · Thin hair texture · Thinned hair
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.