188 citations,
October 2012 in “The AAPS Journal” The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.
165 citations,
December 2002 in “Molecular and Cellular Endocrinology” Male hormones, particularly DHT, are linked to male pattern hair loss, and treatments like finasteride can help, but they don't work for postmenopausal women's hair loss, which may have different causes.
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.
151 citations,
December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
149 citations,
December 2007 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS have overall higher body fat, not abnormal fat placement, and more insulin resistance.
137 citations,
June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
126 citations,
April 2006 in “International Journal of Dermatology” The conclusion is that FFA and LPP have similar scalp biopsy features, making them hard to distinguish histologically, and FFA may be a specific kind of scarring hair loss.
121 citations,
April 2008 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Many women in southern China have polycystic ovary syndrome, with some symptoms differing from Western women.
106 citations,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
97 citations,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
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.
76 citations,
November 2010 in “Journal of The American Academy of Dermatology” Some African American women's central scalp hair loss is linked to genetics and past fungal scalp infections, with more research needed on other causes.
71 citations,
July 2015 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
64 citations,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
61 citations,
February 2001 in “American Journal of Obstetrics and Gynecology” Metabolic syndrome and PCOS are related but separate conditions, with metabolic syndrome increasing the risk of heart disease and diabetes.
58 citations,
January 2013 in “The Journal of Clinical Endocrinology and Metabolism” Obese women with PCOS show a male-like pattern in certain fat tissue gene expressions.
55 citations,
January 2007 in “Climacteric” Menopause and aging can affect women's quality of life and sexuality, but hormone therapies may help alleviate these issues.
53 citations,
January 2007 in “Dermatology” Chemotherapy often causes patterned hair loss, with some scalp areas more resistant to hair loss than others.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
49 citations,
April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
48 citations,
February 2014 in “Fertility and Sterility” Women with PCOS often have hair loss, which is linked to acne or excess body hair but not to worse hormone or metabolic issues.
46 citations,
August 2016 in “Journal of The American Academy of Dermatology” The study found that family history, personal history of adolescent acne, no pregnancies, hirsutism, office work, stress, and low intake of fruits/vegetables and fish are risk factors for adult female acne.
44 citations,
April 2008 in “The Journal of Clinical Endocrinology & Metabolism” Women with PCOS have similar levels of certain proteins compared to women without PCOS, and these proteins don't independently cause PCOS.
42 citations,
February 1985 in “Journal of the American Academy of Dermatology” Excessive hair growth can be assessed by history, exam, and blood tests, and treated with medication like dexamethasone, birth control pills, and spironolactone.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
36 citations,
November 2009 in “Journal of Investigative Dermatology” Prolactin may affect hair growth differently based on gender and scalp area.
33 citations,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
32 citations,
January 2018 in “American Journal of Clinical Dermatology” Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.
29 citations,
March 2017 in “International Journal of Women's Dermatology” Hormone therapies like birth control pills and spironolactone are safe and effective for treating women's adult acne.
29 citations,
November 2013 in “Expert Review of Dermatology” Sensitive skin often causes discomfort, affects many people, especially women and older adults, and should be managed with careful product selection.