61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
58 citations
,
January 2020 in “International Journal of Molecular Sciences” Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.
55 citations
,
October 1992 in “Archives of Dermatology” Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
37 citations
,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
33 citations
,
January 2002 Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.
29 citations
,
November 2018 in “Journal of The European Academy of Dermatology and Venereology” Personality traits and anxiety affect hair loss patients' quality of life.
28 citations
,
February 1999 in “Archives of Dermatological Research” Finasteride potentially treats hair loss by reducing DHT production.
25 citations
,
May 2020 in “Stem Cells Translational Medicine” ADSC-CE treatment safely increases hair density and thickness in androgenetic alopecia patients.
23 citations
,
January 2021 in “Scientific Reports” Adding human blood vessel cells to hair follicle germs may improve hair growth and quality.
21 citations
,
June 2009 in “Current Medical Research and Opinion” Most men with hair loss worry, try self-treatments, and delay doctor visits due to cost, uncertainty, and embarrassment.
19 citations
,
October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
19 citations
,
July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
17 citations
,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
17 citations
,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
16 citations
,
January 2007 in “Dermatology” Scientists have made progress in understanding hair follicle stem cells, identifying specific genes and markers, and suggesting their use in treating hair and skin conditions.
14 citations
,
November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
13 citations
,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations
,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
9 citations
,
November 2019 in “Cell calcium” The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
8 citations
,
May 2022 in “Journal of medicine and life” COVID-19 patients may experience hair loss, but it's not linked to their age or sex.
7 citations
,
December 2020 in “Pharmaceutics” A mix of tocopherol acetate and L-menthol helps grow hair better than using them separately or using minoxidil.
7 citations
,
May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
7 citations
,
September 2019 in “Journal of The American Academy of Dermatology” Inflammation and fibrosis are not significantly different in pattern hair loss compared to controls.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
5 citations
,
March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.
5 citations
,
January 2020 in “Journal of Dermatology” Temporal hair loss relates to overall scalp hair loss in women.
5 citations
,
September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
June 2026 in “International Journal of Drug Delivery Technology” Herbal remedies show promise for managing premature hair greying but need more research.
June 2026 in “Dermatology and Therapy” GLP-1RAs, like semaglutide and tirzepatide, may cause hair loss, so patients should be informed and monitored.