50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
8 citations,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
29 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
102 citations,
July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
14 citations,
December 2021 in “International journal of molecular sciences” Growth hormone levels affect hair growth and loss, with too much causing excess hair and too little leading to hair loss.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
5 citations,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.
8 citations,
July 2017 in “Biochemical and biophysical research communications” A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.
30 citations,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
15 citations,
February 2015 in “Cell & tissue research/Cell and tissue research” P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.
24 citations,
April 2013 in “PLOS ONE” TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.
51 citations,
July 2010 in “Trends in Endocrinology and Metabolism” Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.
11 citations,
October 2021 in “Stem Cell Research & Therapy” Hair follicle stem cells reduced hair loss and inflammation in mice with a condition similar to human alopecia.
1 citations,
January 2013 in “Journal of Investigative Dermatology” The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.
26 citations,
May 2014 in “BioEssays” Using neurohormones to control keratin can lead to new skin disease treatments.
August 2006 in “Experimental dermatology” Neurotrophins are important for hair growth and response to stress.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.
212 citations,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
14 citations,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
190 citations,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
21 citations,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
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.
36 citations,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.