39 citations,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
37 citations,
March 2012 in “International Journal of Radiation Biology” Mobile phone radiation can cause DNA damage in human hair root cells.
35 citations,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
34 citations,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
34 citations,
November 2008 in “British Journal of Dermatology” Hair extensions can cause hair loss and scalp damage, and these problems might be more common than people realize.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
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.
33 citations,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
32 citations,
November 2020 in “Nanomaterials” Excipients greatly affect how well curcumin nanocrystals penetrate the skin and target hair follicles.
32 citations,
January 2018 in “American Journal of Clinical Dermatology” Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.
32 citations,
June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
32 citations,
December 2013 in “Biological & Pharmaceutical Bulletin” Rice bran extract can potentially treat hair loss by promoting hair growth and increasing the number of hair follicles.
32 citations,
July 2012 in “Stem Cells Translational Medicine” Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.
31 citations,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
30 citations,
December 2018 in “International Journal of Biological Macromolecules” Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.
30 citations,
October 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.
30 citations,
August 1983 in “Pediatric Clinics of North America” Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.
29 citations,
April 2020 in “Journal of Tissue Engineering and Regenerative Medicine” The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.
29 citations,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
29 citations,
December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
29 citations,
March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
29 citations,
March 2008 in “Postcolonial Studies” The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.
28 citations,
September 2019 in “International Journal of Nanomedicine” Minoxidil nanoparticles can potentially be a more effective treatment for hair growth than current treatments.
28 citations,
May 2019 in “Life Sciences” Ginsenoside Rb1 from Panax ginseng helps mink hair grow by activating certain cell signals.
28 citations,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
27 citations,
January 2020 in “Experimental Dermatology” Immune cells affect hair growth and could lead to new hair loss treatments.
27 citations,
March 2018 in “Biomaterials” Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.
27 citations,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
26 citations,
October 2016 in “Biomolecules & Therapeutics” 3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.
26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.