146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
128 citations,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
107 citations,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
99 citations,
August 2009 in “Nature Genetics” Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.
81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
67 citations,
November 2002 in “Journal of The American Academy of Dermatology” The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.
66 citations,
May 2012 in “Scientific Reports” Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.
44 citations,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
31 citations,
April 2019 in “Cell reports” Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.
25 citations,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
22 citations,
March 2009 in “Journal of Natural Medicines” Erica multiflora plant extract can help hair grow by stimulating growth-related cells and triggering hair cycle changes.
19 citations,
September 2019 in “PLOS genetics” Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.
19 citations,
January 2016 in “Biological & Pharmaceutical Bulletin” Sargassum muticum extract and its component apo-9'-fucoxanthinone may help hair growth and treat hair loss.
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,
April 2014 in “Medical Clinics of North America” The document concludes that quick referral and appropriate treatments are crucial for managing common skin conditions and preventing permanent damage.
13 citations,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
13 citations,
July 2012 in “Pigment Cell & Melanoma Research” A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
12 citations,
December 2021 in “Aging” A new painless method to collect hair follicles helps study DNA damage and aging.
10 citations,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
10 citations,
February 2010 in “Acta Histochemica Et Cytochemica” c-kit affects hair growth and color in alopecia areata and androgenetic alopecia.
8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
7 citations,
August 2022 in “Nature communications” A specific group of slow-growing stem cells marked by Thy1 is crucial for skin maintenance and healing in mice.
6 citations,
September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.
3 citations,
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The research reveals how early embryonic mouse skin develops from simple to complex structures, identifying various cell types and their roles in this process.
2 citations,
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” miR-29 is a key factor that accelerates aging.
2 citations,
April 2021 in “Journal of Cosmetic Dermatology” Brassica oleracea extract, glucosinlates, and sulforaphane can boost hair growth and might be used to treat hair loss.
2 citations,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
1 citations,
January 2016 in “Asian-Australasian journal of animal sciences” The protein Gnαs is found more in black mice than white mice and may influence their coat color.