June 2017 in “Asian journal of pharmaceutical and clinical research” Green tea extract gel safely increases eyelash length.
Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.
March 2012 in “EFSA Journal” Iron intake has not been proven to maintain normal hair growth.
43 citations,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
37 citations,
April 2017 in “npj Regenerative Medicine” PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.
32 citations,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
12 citations,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
11 citations,
December 2020 in “Notulae botanicae Horti Agrobotanici Cluj-Napoca” Mycorrhizal fungi and shading improve tea plant growth and nutrient uptake by changing hormone levels and gene expression.
10 citations,
August 2018 in “Dermatologic Surgery” Laser treatment improves hair density and increases growth factors in androgenetic alopecia.
7 citations,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
April 2016 in “Journal of Investigative Dermatology” Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.
49 citations,
April 2012 in “Phytotherapy Research” Rosemary leaf extract may be an effective natural treatment for hair growth and male pattern baldness.
42 citations,
December 2016 in “Cell Death & Differentiation” Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.
23 citations,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
14 citations,
June 2018 in “Frontiers in pharmacology” Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.
12 citations,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
7 citations,
June 2015 in “European Journal of Plastic Surgery” PRGF treatment safely and effectively helps hair loss.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” 17β-estradiol may help hair growth by increasing cannabinoid receptor type 1.
23 citations,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
8 citations,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
April 2018 in “Journal of Investigative Dermatology” Topical tofacitinib is effective in promoting hair growth for non-scarring alopecia.
10 citations,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
8 citations,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
4 citations,
January 2001 in “Archives of Biochemistry and Biophysics” Activated ras can protect kidney cells from a certain substance that causes cell death.
8 citations,
August 2020 in “Domestic Animal Endocrinology” Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
August 2022 in “Research Square (Research Square)” Implanted special stem cells from hair follicles helped heal wounds faster and with less scarring in mice.
36 citations,
April 2016 in “Biochimie” A substance called epidermal growth factor helps increase the growth of important hair follicle cells by activating a specific cell communication route.
9 citations,
April 2019 in “Biomolecules & Therapeutics” Udenafil may help hair grow by activating certain stem cells.
7 citations,
January 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.