184 citations,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
159 citations,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
128 citations,
September 2003 in “Journal of Ethnopharmacology” Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.
98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
97 citations,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
96 citations,
June 2017 in “Nature Communications” A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.
75 citations,
May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
73 citations,
September 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
72 citations,
July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
68 citations,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
64 citations,
January 2015 in “BioMed Research International” Certain growth factors can promote hair growth in mice by activating hair growth-related proteins.
64 citations,
January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
62 citations,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
57 citations,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
56 citations,
May 2017 in “Nature Cell Biology” Hair can regrow after certain stem cells are lost because other stem cells can take over their role.
54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
48 citations,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
46 citations,
May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
45 citations,
January 2012 in “International Journal of Trichology” Trichoscopy is better than trichogram for diagnosing female hair loss.
43 citations,
August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
43 citations,
February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
40 citations,
October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
38 citations,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
37 citations,
August 1991 in “International Journal of Dermatology” Most tinea capitis cases in southern Taiwan were in adult women, mainly caused by Trichophyton violaceum.
34 citations,
April 2018 in “EMBO journal” The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.
31 citations,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
31 citations,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
30 citations,
December 2018 in “International Journal of Biological Macromolecules” Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.
29 citations,
June 2013 in “Journal of the Saudi Society of Dermatology & Dermatologic Surgery” Alopecia areata is an autoimmune hair loss condition treated with corticosteroids, and histologic confirmation is the best diagnosis method.
24 citations,
September 2014 in “Drug Delivery” Using microneedles before applying eflornithine cream can make it more effective at stopping hair growth.