March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors help hair growth by boosting beta-catenin activity in hair root cells.
November 2016 in “Oncology Letters” Milia may come from the outer part of the hair follicle.
14 citations,
April 2021 in “International journal of molecular sciences” Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.
14 citations,
January 2017 in “Pharmacological Reports” TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.
6 citations,
July 2012 in “Experimental Dermatology” The substance from human hair root cells can help maintain hair growth and make skin cells more capable of growing hair.
1 citations,
November 2003 in “Humana Press eBooks” AFM helps study hair surfaces for dermatology, cosmetics, and forensics.
April 2017 in “Journal of Investigative Dermatology” 60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
34 citations,
March 2007 in “Biochemical and Biophysical Research Communications” Thioredoxin reductase 1 does not affect glucocorticoid receptor activity in hair follicle cells.
23 citations,
June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
1 citations,
July 2016 in “Livestock science” Nerve growth factor helps cashmere goat hair cells grow and is more active during the hair growth phase.
43 citations,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Particulate matter causes inflammation in hair cells, potentially harming hair growth.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and move by activating certain cell pathways.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
10 citations,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
1 citations,
July 2019 in “Small ruminant research” Nerve growth factor helps cashmere goat hair cells grow by activating a specific protein.
7 citations,
August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
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.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
5 citations,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
94 citations,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
85 citations,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
71 citations,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
68 citations,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.