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January 1988 Topical DHEA safely increases skin oil production.
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January 2017 in “PloS one” Certain genes and pathways are crucial for high-quality brush hair in Yangtze River Delta White Goats.
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September 1995 in “British Journal of Dermatology” Diphencyprone therapy for hair loss can cause vitiligo.
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April 1989 in “Alcoholism Clinical and Experimental Research” The ethanol patch test reliably identifies ALDH phenotype.
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
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January 1983 in “Brain Research Reviews” Monkey lips have dense sensory nerves similar to those in other skin areas, explaining their sensitivity.
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June 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor helps protect skin cells from UV damage and supports their growth.
January 2005 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” The FDA struggles to regulate hair loss supplements due to a law allowing unproven claims.
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December 2002 in “Controlled Clinical Trials” Simple methods using DHT levels effectively assess compliance.
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June 1999 in “Journal of Investigative Dermatology” The HPV type 11 region activates hair-specific gene expression in mice.
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December 2015 in “PLoS ONE” Fibroblasts can be mistaken for neural cells, so functional validation is needed.
April 2026 in “Tissue Engineering and Regenerative Medicine” The GPRC6A-Duox1 axis helps control hair growth and loss by affecting hydrogen peroxide production.
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January 1988 March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
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April 2007 in “The FASEB Journal” Lack of certain fatty acids causes skin, immune, and fertility issues in mice.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.
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July 2019 in “Biochemical and Biophysical Research Communications” CD36-expressing dermal sheath cells help form blood vessels in hair follicles, aiding hair growth.
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January 2022 in “Skin Pharmacology and Physiology” Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
January 2024 in “International Ayurvedic medical journal” Certain Prakruti types are more prone to early male pattern baldness.