12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
6 citations
,
January 1971 in “Pathology” Children's hair needs only a little iron for normal growth, regardless of their body's iron levels.
May 2026 in “Skin Appendage Disorders” Trichoscopy and histopathology can help identify post-COVID-19 hair loss.
100 citations
,
November 1997 in “Human Genetics” A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
21 citations
,
December 2007 in “Journal of Investigative Dermatology” Hair follicles evolved from oil glands, with hair aiding secretion transport.
8 citations
,
January 2015 in “Journal of Cutaneous Medicine and Surgery” Hair restoration techniques have improved but still rely on limited donor hair, with new methods like cloning and gene therapy being explored.
2 citations
,
January 2017 in “PubMed” Hair casts are harmless but can be mistaken for head lice.
1 citations
,
July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
East and Southeast Asians typically have less dense but thicker, straight black hair.