January 2016 in “프로그램북(구 초록집)” Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.
October 2024 in “InnovAiT Education and inspiration for general practice” Hirsutism is characterized by excessive terminal hair growth in women in areas such as the upper lip, chin, abdomen, back, and thighs, often due to hormonal imbalances like elevated androgens. It can be associated with conditions such as polycystic ovary syndrome, adrenal hyperplasia, or the use of certain medications. Effective management requires identifying the underlying cause and may involve hormonal therapies, lifestyle modifications, and cosmetic treatments to manage hair growth. The article provides an overview of the causes, differential diagnosis, investigation, and treatment options for hirsutism in primary care settings.
January 2022 in “Journal of clinical and diagnostic research” A rare skin bump with tiny hairs was successfully removed from a man's face.
January 2012 in “대한미용학회지” Hair follicle stem cells can be cultured, but improvements are needed for longer growth.
66 citations
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December 2013 in “Nature Cell Biology” Inactive hair follicle stem cells help prevent skin cancer.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
Mustache transplants are rare but have a steady demand.
April 2024 in “Facial plastic surgery clinics of North America” Beard restoration is important for creating masculine looks and using beard hair can increase scalp hair coverage.
19 citations
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January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
291 citations
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October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
16 citations
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October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
October 2022 in “Hair Transplantation” Beard hair can be effectively used for hair transplants when scalp hair is insufficient.
15 citations
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April 1960 in “Journal of the American Medical Association” Hirsutism perception varies by culture and individual.
11 citations
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February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
27 citations
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September 2017 Pubic hair transplantation can improve self-esteem in those with sparse pubic hair.
87 citations
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August 1974 in “Journal of Investigative Dermatology” July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” 7 citations
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January 2012 in “International journal of trichology” Permanent hair removal with lasers may cure itchy black hair bristles on the back.
4 citations
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March 2007 in “British Journal of Dermatology” Gefitinib therapy can cause unusual hair growth on the nose.
45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
Transplanting beard hair into a scalp wound after hair transplant surgery improves scar appearance and hair keeps its normal traits.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.
14 citations
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May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing Lrig1-positive stem cells in mice causes temporary loss of sebaceous glands.
2 citations
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January 2023 in “Skin Appendage Disorders” Beard alopecia areata causes patchy beard hair loss, often treatable with janus kinase inhibitors.
1 citations
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January 2022 in “Clinical dermatology review” A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
8 citations
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January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
43 citations
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December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.