8 citations,
November 2012 in “Journal of Endocrinological Investigation” Greek women with classic PCOS are more likely to have metabolic syndrome and insulin resistance than those with newer PCOS types.
30 citations,
August 1993 in “PubMed” IL-1 alpha stops hair follicle growth and hair production.
1 citations,
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” GTL1 is needed to control root hair growth and prevent problems when there are too many nutrients.
November 2020 in “Journal of The American Academy of Dermatology” Ankle braces reduce motion, while external focus improves hip and knee movements.
49 citations,
February 2019 in “The Journal of Clinical Endocrinology and Metabolism” Use "female pattern hair loss" term, assess androgen excess, treat with minoxidil and other medications if needed.
6 citations,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
4 citations,
January 2020 in “International Journal of Trichology” Too much epidermal growth factor can cause hair loss.
10 citations,
May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
14 citations,
July 2022 in “Nutrients” Vitamin A is important for healthy skin and hair, influencing hair growth and skin healing, but UV light reduces its levels.
April 2017 in “The FASEB Journal” Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.
6 citations,
June 2022 in “Frontiers in Bioengineering and Biotechnology” The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.
22 citations,
January 2014 in “International Journal of Trichology” Hair restoration surgery can lead to swelling, infections, scarring, numbness, hiccups, and poor hair growth.
May 2006 in “Women's Health Medicine” Excessive hair growth in women, often from high androgen levels, is usually caused by PCOS, and can be treated with hair removal, medication, and possibly weight loss.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
80 citations,
January 1995 in “The American Journal of Medicine” Hair loss in androgenetic alopecia is caused by genetic factors and androgen excess, and can be treated with combined therapies.
April 2005 in “CRC Press eBooks” Excessive androgens in women with polycystic ovary syndrome can lead to excessive hair growth and hair loss, but this might not fully explain these conditions.
78 citations,
January 2000 in “Gynecological Endocrinology” Norgestimate is the most effective birth control progestin for reducing an enzyme linked to acne and excessive hair growth in women.
20 citations,
March 1994 in “Clinical and Experimental Dermatology” Too much topical minoxidil can cause excessive hair growth, but stopping treatment reverses it.
16 citations,
January 2003 in “Nuclear Receptor Signaling” Androgens and SARMs play a role in body mass, frailty, skin health, and hair growth, and are used in treating prostate cancer, acne, and hair loss, with potential for new uses and improved versions in the future.
1 citations,
February 2022 in “Case reports in endocrinology” An unusual growth of Leydig cells in a woman's ovaries caused her excessive hair growth, which was treated successfully with surgery.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
14 citations,
July 1987 in “Dermatologic Clinics” The document concludes that treating female hair loss should target reducing excess androgen and blocking its effects on hair follicles, with the best treatments being hormonal therapy, adrenal suppression, and topical minoxidil.
9 citations,
January 2016 in “PubMed” Stem cell therapy could be a promising alternative for hair regrowth with fewer side effects.
1 citations,
June 2021 in “Journal of pharmacopuncture” CBD may help restore hair growth-related protein levels in alopecia caused by hormones or other factors.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
107 citations,
April 2014 in “The Plant cell” The CAP1 gene helps control ammonium levels and is necessary for the proper growth of root hairs in Arabidopsis.
October 2021 in “Journal of Investigative Dermatology” Poor blood supply in hair follicles is linked to nutrient deficiency in patients with female pattern hair loss, and adding more nutrients could potentially fix this.
May 2020 in “Current developments in nutrition” Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.
67 citations,
July 2006 in “Clinics in Dermatology” Androgens cause skin issues like acne and hair growth in women, often due to PCOS, and can be treated with medication and lifestyle changes.