12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
11 citations,
June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
11 citations,
February 2021 in “Biomedicines” Bacteria in our hair can affect its health and growth, and studying these bacteria could help us understand hair diseases better.
11 citations,
January 2018 in “Royal Society Open Science” Scientists found genes linked to the growth of high-quality brush hair in Chinese Haimen goats.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
11 citations,
January 2001 in “Cambridge University Press eBooks” Androgens can cause hair growth in some areas but hair loss on the scalp.
10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
10 citations,
May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
10 citations,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
10 citations,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
10 citations,
November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
9 citations,
July 2020 in “Biomedicine & Pharmacotherapy” Mitochondrial therapy and platelet-rich plasma therapy both stimulated hair regrowth in aging mice, with mitochondrial therapy showing similar effectiveness to plasma therapy.
9 citations,
August 2018 in “Biomedical dermatology” A peptide called DPS-1 helps human scalp cells grow and stimulates hair growth in mice.
9 citations,
December 2013 in “Toxicological Research” Chamaecyparis obtusa oil may help hair grow similarly to minoxidil by affecting certain growth markers and cell factors.
9 citations,
August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.
9 citations,
January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
8 citations,
January 2016 in “Annals of Dermatology” A complex of 5-aminolevulinic acid and glycyl-histidyl-lysine peptide may help increase hair count in male pattern hair loss without side effects.
8 citations,
January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
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.
8 citations,
January 2013 in “The scientific world journal/TheScientificWorldjournal” Human hair follicles may provide a noninvasive way to diagnose diseases and have potential in regenerative medicine.
8 citations,
July 2012 in “Cambridge University Press eBooks” Androgens can both increase body hair and cause scalp hair loss.
8 citations,
September 2003 in “Journal of dermatological science” Substance P helps hair grow longer and faster.
7 citations,
December 2020 in “ACS biomaterials science & engineering” Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.
7 citations,
September 2020 in “Frontiers in Cell and Developmental Biology” IL-36α helps grow new hair follicles and speeds up wound healing.
7 citations,
June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
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,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
7 citations,
January 2009 in “Biological & pharmaceutical bulletin” Ferrous Ferric Chloride may improve skin cell function and increase hair growth in mice.