July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
January 2021 in “Social Science Research Network” The new treatment using tiny lipid carriers to deliver minoxidil and latanoprost directly to hair follicles shows promise for alopecia.
4 citations,
June 2020 in “Cosmetics” Broussonetia papyrifera extract helps hair growth by regulating specific proteins.
March 2023 in “Asian Journal of Beauty and Cosmetology” HX109 herbal extract helps hair grow by boosting cell growth and reducing cell death.
26 citations,
July 2012 in “Journal of family planning and reproductive health care” The document says that hirsutism in women usually needs hair removal and hormone treatment to manage symptoms and improve well-being.
21 citations,
December 2019 in “PloS one” The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.
2 citations,
November 2017 in “Biotechnology Letters” Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
1 citations,
October 2020 in “PubMed” Hormone testing may not be very helpful in diagnosing female pattern hair loss.
The conclusion is that there's a link between high testosterone levels, insulin resistance, and certain skin conditions, regardless of obesity.
59 citations,
August 2004 in “Human Reproduction Update” Testosterone replacement can help women with low libido and mood, but they need to have enough estrogen first to avoid side effects.
5 citations,
October 2022 in “Cosmetics” Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.
5 citations,
May 2019 in “Cureus” Taking biotin supplements can cause incorrect thyroid test results, leading to wrong diagnoses.
4 citations,
December 2021 in “Pharmacological Reports” Metformin is less effective in men with early-onset hair loss.
1 citations,
June 2022 in “Frontiers in Neuroanatomy” Early hormones shape sex-specific differences in rat glands.
1 citations,
February 2017 in “Journal of gynecology and womens health” The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.
August 2024 in “Journal of Photochemistry and Photobiology B Biology” Combining light therapy with certain substances improves hair growth in people with hair loss.
Hair and nails can show hormone changes during puberty in dogs.
2 citations,
May 2023 in “Frontiers in Pharmacology” Natural products may help treat skin inflammation from abnormal adrenal hormones.
1 citations,
October 2020 Hair can reliably measure average estradiol levels over months in humans and monkeys.
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.
25 citations,
June 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” VDR regulation varies by tissue and is crucial for its biological functions.
1 citations,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
1 citations,
January 2018 in “Journal of Steroids & Hormonal Science” Oral vitamin D treatment can help some children with alopecia areata who have vitamin D deficiency.
12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
35 citations,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
50 citations,
July 1996 in “Fertility and Sterility” Finasteride effectively treats hirsutism in women, but more research needed for long-term results.
45 citations,
September 1998 in “Journal of Investigative Dermatology” The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
33 citations,
September 2008 in “Dermatologic therapy” Doctors should know how to diagnose and treat PCOS, which often involves checking for high male hormone levels and using medications to manage symptoms.