March 2014 in “Chinese Journal of Dermatology” Hair loss in androgenic alopecia patients is linked to changes in certain genes that control cell growth and death.
5 citations
,
January 2011 in “Journal of the Korean Association of Oral and Maxillofacial Surgeons” A woman developed a cyst in her parotid gland after a botox injection, which was successfully removed with surgery.
107 citations
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June 1997 in “PubMed” EGFR is essential for normal hair development and follicle differentiation.
May 2022 in “Authorea (Authorea)” A 17-year-old girl has had repeated hair loss since childhood, which can be triggered by infections like COVID-19.
77 citations
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September 1983 in “Acta Paediatrica” Dexamethasone effectively normalizes elevated steroid levels in girls with premature adrenarche.
March 2026 in “Editora Pasteur eBooks” Alopecia androgenética is common hair loss affecting self-esteem, treatable with medications and procedures.
July 2025 in “International Journal of Biological Macromolecules” The microneedle patch boosts hair growth by reducing DHT and oxidative stress.
October 2017 in “Journal of The European Academy of Dermatology and Venereology” Stem cells preservation in AGA could be a potential therapy, but more cases needed.
20 citations
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January 2017 in “Experimental Dermatology” Igf1r helps regulate hair growth cycles.
11 citations
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November 1982 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone and some of its forms can strongly stimulate oil gland growth in skin.
January 2007 in “Linchuang pifuke zazhi” A 15-year-old boy had a rare skin growth on his buttock.
23 citations
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March 2001 in “Clinics in dermatology” Alopecia areata involves immune response and gene changes affecting hair loss.
43 citations
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January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
January 2020 in “Medpluse International Journal of Anatomy”
November 2001 in “CRC Press eBooks” Hair loss from telogen effluvium happens when a disturbance or imbalance causes hair to fall out prematurely.
July 2024 in “Frontiers in Pharmacology” Pilose antler extracts help hair growth by activating hair follicle stem cells.
1 citations
,
July 2019 in “Case reports in dermatology” A Thai boy was diagnosed with a rare hair disorder causing hair thinning and shedding.
11 citations
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November 2022 in “Journal of Endocrinological Investigation” Hormonal treatments can change hair and skin in transgender people, but may not fully achieve desired results.
1 citations
,
May 2023 in “PubMed” A certain type of skin cell, marked by EGFR, produces a lot of IGF1 and helps hair follicles grow back faster.
January 2026 in “Surgical & Cosmetic Dermatology” 147 citations
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October 2004 in “Experimental dermatology” Hormones like testosterone affect skin functions and can cause skin issues when in excess; treatments to manage these effects are only somewhat effective.
12 citations
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June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
18 citations
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January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
October 2005 in “CRC Press eBooks” Telogen effluvium is a condition where hair falls out due to various factors like illness, stress, or nutrient deficiency.
January 2006 in “프로그램북(구 초록집)” January 2011 in “Bradford Scholars (University of Bradford)” Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.
25 citations
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November 1979 in “International Journal of Dermatology” Androgens affect skin conditions like acne and hair loss through specific biochemical pathways.
7 citations
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October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
75 citations
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October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
April 2023 in “Journal of Investigative Dermatology” EGFR helps protect hair follicles from bacterial infections.