January 2019 in “Analytical Science and Technology” About 21% of tested hair loss supplements contained illegal synthetic drugs.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
9 citations
,
January 2011 in “Skin Research and Technology” The new automatic tool accurately measures hair thickness and is reliable.
March 2005 in “Journal of The American Academy of Dermatology” Two cosmetic lotions improved hair growth and had better cosmetic effects than 2% minoxidil.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
4 citations
,
January 2018 in “Forensic Science International” Researchers created a reliable method to detect hair-growth substances in products.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new method helps find proteins in hair to identify fetal growth issues.
May 2023 in “Clinical, Cosmetic and Investigational Dermatology” The research found proteins in human skin cells that help with wound healing and hair growth, which could lead to new treatments.
January 2021 in “Scandinavian journal of clinical and laboratory investigation” The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Digital microscopy can help diagnose hirsutism by measuring hair growth.
1 citations
,
January 1993 in “Skin Pharmacology and Physiology” Hair growth drugs and epidermal growth factor do not change the calcium binding site gradient in hair follicles.
2 citations
,
May 2015 in “PloS one” Hair follicle pores help cell survival and growth, even after radiation.
26 citations
,
April 2011 in “Skin Research and Technology” In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.
66 citations
,
May 2011 in “Dermatologic therapy” Guidelines help design better trials to compare alopecia areata treatments.
November 2023 in “Journal of Bioscience and Bioengineering” Exosomes show promise for hair growth but face challenges in standardization and concentration for clinical use.
February 2026 in “Chromatographia” A reliable method was developed to detect hair growth compounds in products, ensuring safety and compliance.
January 2015 in “CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)” A new method accurately measures plant ingredients in hair growth products.
November 2025 in “Analytical Chemistry” A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.
4 citations
,
September 2015 in “Bulletin of the Korean Chemical Society” Researchers developed a quick and sensitive method to identify and measure hair growth-promoting substances in a herbal mix.
A protein called sFRP4 can partly inhibit hair growth.
Thymosin β4 helps with healing, inflammation, and organ protection.
137 citations
,
June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
10 citations
,
December 2015 in “International Journal of Molecular Sciences” PDCD4 is important for controlling skin cell growth and healing.
7 citations
,
June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
39 citations
,
May 2010 in “Stem Cells” Ephrins slow down skin and hair follicle cell growth.
68 citations
,
May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
11 citations
,
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.
April 2026 in “Journal of Education Health and Sport” Invasive treatments can improve hair growth, but effectiveness varies and more research is needed.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
194 citations
,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.