11 citations
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February 2011 in “The Journal of Dermatology” Mutations in the hairless gene cause a rare form of permanent hair loss.
June 2024 in “Dermatopathology” A rare type of skin cancer on the scalp can be mistaken for hair loss, causing delayed diagnosis and severe damage.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
19 citations
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April 2018 in “International Journal of Dermatology” People with Lichen Planopilaris are more likely to have autoimmune diseases, especially Systemic Lupus Erythematosus, and less likely to have diabetes and some other common conditions.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” Microneedling may improve melasma treatment by boosting topical therapy effectiveness.
53 citations
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September 2013 in “Journal of Investigative Dermatology” Hair follicle cells help protect against immune attacks by regulating T-cell activity.
50 citations
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February 2004 in “Journal of Investigative Dermatology” February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.