174 citations,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
152 citations,
December 2007 in “Gender Medicine” Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.
150 citations,
April 2013 in “Dermato-endocrinology” Estrogen therapy can reduce skin aging but has cancer risks.
147 citations,
April 1994 in “Drug Safety” Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.
130 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).
127 citations,
July 2002 in “EMBO journal” Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.
107 citations,
August 2012 in “Seminars in Cell & Developmental Biology” The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.
94 citations,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
92 citations,
September 2015 in “Journal of Lipid Research” Skin fat helps with body temperature control and has other active roles in health.
87 citations,
March 2011 in “Australasian Journal of Dermatology” Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
85 citations,
May 2019 in “Journal of neuroendocrinology” The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.
85 citations,
December 2017 in “Developmental Biology” Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.
81 citations,
June 2014 in “Cold Spring Harbor perspectives in medicine” Skin has specialized touch receptors that can tell different sensations apart.
77 citations,
April 2009 in “British Journal of Dermatology” Aromatase gene variation may increase female hair loss risk.
75 citations,
February 2016 in “The Journal of Sexual Medicine” Androgens play a role in female sexual function, and testosterone therapy can help women with low sexual desire, but more research is needed on treatments and long-term safety.
71 citations,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
69 citations,
April 2010 in “Dermatologic Surgery” Bimatoprost is a safe and effective treatment for making eyelashes longer, thicker, and darker.
68 citations,
June 2005 in “Expert Opinion on Therapeutic Targets” Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.
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 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.
61 citations,
May 2014 in “International journal of pharmaceutics” Nanocrystals improve skin penetration and stability of caffeine, suggesting a new method for delivering similar substances through the skin.
60 citations,
June 2019 in “Ageing Research Reviews” Fat from the body can help improve hair growth and scars when used in skin treatments.
60 citations,
January 1987 in “Dermatology” Alopecia areata may appear differently depending on the individual's type of hair loss and scalp condition.
59 citations,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
59 citations,
July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
56 citations,
October 2018 in “Journal of The American Academy of Dermatology” Androgens play a complex role in skin conditions like acne and hair loss in women, and normal blood levels don't always show true androgen status.
48 citations,
April 2010 in “Journal of the European Academy of Dermatology and Venereology” Men are more likely to get infectious skin diseases, while women are more prone to autoimmune and pigment-related skin conditions, influenced by biological and environmental factors.
48 citations,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.
46 citations,
August 1990 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Ketoconazole reduced hair growth and improved acne in women, but caused side effects needing careful monitoring.