196 citations
,
March 2016 in “Nature Communications” Genetic factors influence hair traits like shape, color, and greying in Latin Americans.
88 citations
,
February 2011 in “Journal of Dermatological Science” Minoxidil helps hair growth by activating the β-catenin pathway.
77 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
54 citations
,
January 2018 in “Scientific reports” Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
39 citations
,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
28 citations
,
November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” GMG-43AC may help reduce unwanted hair growth and treat certain hair loss conditions.
26 citations
,
January 2016 in “Annals of Dermatology” Ecklonia cava polyphenols help increase human hair growth and reduce hair loss.
23 citations
,
June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.
21 citations
,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
19 citations
,
December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
14 citations
,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
14 citations
,
August 2018 in “Frontiers in Cellular and Infection Microbiology” Dengue virus can infect human hair follicle cells and may cause hair loss.
11 citations
,
August 2017 in “American Journal of Dermatopathology” EVG staining helps tell apart follicular scars from follicular streamers, aiding in diagnosing different types of hair loss.
11 citations
,
September 2014 in “International Journal of Molecular Sciences” Mycophenolate helps reverse hair loss effects caused by IFN-γ by activating a key hair growth pathway.
11 citations
,
September 1997 in “Archives of Dermatology” Reduced androgens linked to kinky hair disorder and hair loss; 5a-reductase inhibitors may help.
9 citations
,
June 2020 in “BMC Molecular and Cell Biology” Stress hormone CRF can cause hair loss by affecting hair growth cells and hormones.
9 citations
,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
8 citations
,
October 2020 in “International Journal of Molecular Sciences” Nonanal from fruits and vegetables promotes hair growth by increasing growth factors.
6 citations
,
January 2024 in “Annals of Dermatology” Dickkopf-related Protein 2 can help hair grow by activating a specific cell pathway.
3 citations
,
January 2019 in “Dermatology and therapy” Scalp massages may help stabilize or regrow hair in people suffering from hair loss, regardless of age, gender, or use of other treatments.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
April 2025 in “Cellular and Molecular Biology” Human dermal stem/progenitor cells can divide and differentiate more than hair follicle dermal papilla cells.
June 2024 in “Archives of Dermatological Research” SFRP2 and PTGDS may be key factors in female hair loss.
September 2023 in “Clinical, cosmetic and investigational dermatology” SLFC can improve scalp health and reduce sensitive scalp symptoms.
April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
87 citations
,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
19 citations
,
July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
264 citations
,
January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.