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.
64 citations,
October 1998 in “Acta dermato-venereologica” Grape seed proanthocyanidins can promote hair growth.
63 citations,
April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
47 citations,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
43 citations,
February 2013 in “Developmental dynamics” Foxi3 expression in developing teeth and hair is controlled by the ectodysplasin pathway.
40 citations,
January 2018 in “International journal of trichology” Healthy scalp reduces hair loss by managing oxidative stress.
33 citations,
July 2007 in “Journal of cell science” Miz1 is essential for proper hair structure and growth.
31 citations,
September 2012 in “Journal of biological chemistry/The Journal of biological chemistry” The right amount of retinoic acid is essential for normal hair growth and development.
30 citations,
January 2014 in “Dermatologic Clinics” Tight hairstyles, especially on chemically treated hair, can cause reversible hair loss if caught early but may become permanent if not addressed.
25 citations,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
25 citations,
February 2007 in “Forensic science international” Different hair cleaning methods caused varying levels of damage to the hair's outer layer.
23 citations,
October 2021 in “Cell Stem Cell” Hair thinning causes stem cell loss through a process involving Piezo1, calcium, and TNF-α.
23 citations,
June 2016 in “FEBS Journal” Boosting β-catenin signaling in certain skin cells can enhance hair growth.
19 citations,
April 2015 in “Developmental Dynamics” The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
19 citations,
August 2011 in “Archives of Dermatology” CCCA is a common scarring hair loss in African descent women, possibly linked to genetics, hair care practices, and health issues like diabetes.
16 citations,
August 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” MED1 is essential for normal hair growth and maintaining hair follicle stem cells.
15 citations,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
15 citations,
April 2003 in “Journal of dermatology” Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.
13 citations,
May 2021 in “FASEB bioAdvances” Plant-based products can improve hair and skin health without harmful side effects.
12 citations,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
11 citations,
May 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.
10 citations,
August 2021 in “EMBO Reports” The Bcl-2 protein is important for keeping hair follicle stem cells working and preventing hair loss.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
10 citations,
May 2018 in “Forensic Science International” Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.
10 citations,
January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
7 citations,
November 1987 in “Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy” Minoxidil can help thicken hair in some people with male pattern baldness, especially if used early and continuously.
5 citations,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
4 citations,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
3 citations,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
2 citations,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.