October 2022 in “Hair Transplantation” Beard hair can be effectively used for hair transplants when scalp hair is insufficient.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair loss is caused by mechanical, thermal, and metabolic stress, not just hormones.
12 citations
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January 2014 in “Dermatology online journal” White hair regrowth in alopecia areata may be more common than thought.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
December 2025 in “SAS Journal of Medicine” Trichofolliculoma is a rare, benign scalp tumor that can be cured by surgical removal.
2 citations
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May 2014 in “PubMed” A 10-year-old boy was diagnosed with a rare scalp condition causing hair loss and treated with a topical cream.
June 2024 in “British Journal of Dermatology” There are unequal access to wigs for alopecia patients in the UK, needing policy changes for fairness.
90 citations
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January 1999 in “Journal of The American Academy of Dermatology” "Christmas tree" pattern helps diagnose female hair loss.
49 citations
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November 2019 in “Archives of Dermatological Research” 2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
3 citations
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February 1996 in “Dermatologic Surgery” Walter P. Unger suggests using advanced hair transplant techniques for broader coverage, as they provide natural results and use donor tissue efficiently, while also recommending personalized planning due to the unpredictable progression of baldness.
5 citations
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October 2012 in “Expert Review of Dermatology” Trichoscopy is a useful tool for diagnosing hair and scalp diseases without needing skin biopsies.
24 citations
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August 2005 in “The American Journal of Dermatopathology” Vertical sections are better than horizontal sections for diagnosing alopecia.
24 citations
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February 2007 in “International Journal of Dermatology” A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.
16 citations
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January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
6 citations
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December 1990 in “PubMed” Keratinocytes in hair follicles differentiate similarly to skin cells, with specific patterns in different regions.
June 2022 in “Revista del Hospital Italiano de Buenos Aires” A rare case of a man having both frontal fibrosing alopecia and vitiligo was reported.
July 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
1 citations
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November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
1 citations
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January 2012 in “CINECA IRIS Institutial research information system (University of Pisa)” November 2022 in “Journal of Investigative Dermatology” Occipital hair follicles in male pattern baldness respond uniquely to testosterone, not androgen-insensitive.
15 citations
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January 2019 in “International Journal of Women's Dermatology” Early treatment helps stop hair loss in women of color.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
1 citations
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November 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas”
Hair loss at the top of the head is linked to prostate cancer, but other types of hair loss are not.
January 2015 in “Springer eBooks” Understanding hair structure and growth is key for diagnosing hair diseases accurately.
September 1998 in “Journal of the European Academy of Dermatology and Venereology” Different racial groups have varying keratin proteins, affecting hair texture and strength.
December 2025 in “Journal of Investigative Dermatology” Immune system issues may contribute to female pattern hair loss.
89 citations
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December 2010 in “The Journal of Dermatology” The conclusion is that an algorithm using trichoscopy helps diagnose different types of hair loss but may need updates and a biopsy if results are unclear.