109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
99 citations,
September 2007 in “The American journal of pathology” Chemotherapy damages hair follicles, causing hair loss and other cellular changes.
71 citations,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
305 citations,
February 2007 in “Hormone and metabolic research” Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.
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.
375 citations,
July 2006 in “Journal of Investigative Dermatology” Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
187 citations,
December 2005 in “Experimental Dermatology” Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
52 citations,
January 2005 in “International journal of experimental pathology” Melatonin may reduce skin damage caused by X-rays in rats.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
450 citations,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
78 citations,
February 2004 in “British Journal of Dermatology” Melatonin helps hair growth in women with hair loss.
146 citations,
January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
84 citations,
July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
28 citations,
January 2003 in “Skin pharmacology and physiology” Melatonin affects skin cell growth differently based on how much and how long it's used.
155 citations,
December 2002 in “Journal of Investigative Dermatology” Thyroid-related genes are active in skin cells and may affect autoimmune conditions.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
57 citations,
February 1994 in “Experimental dermatology” Melatonin affects mouse skin and may regulate skin functions.
48 citations,
September 1993 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment started hair growth in goats and affected their hormone levels.
220 citations,
August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.