May 2023 in “International Journal of Trichology” In this study, 70% of female androgenetic alopecia patients who did not respond to standard minoxidil experienced clinical improvement after switching to a propylene glycol-free, witch hazel-based 5% minoxidil sulfate solution, with the treatment also being well-tolerated.
56 citations
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October 1983 in “Archives of Dermatology” This study found that free testosterone levels were a more sensitive indicator of hyperandrogenism in women with acne than total testosterone levels.
4 citations
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November 2018 in “Journal of Pharmaceutical and Biomedical Analysis” This study found that a hydro-alcoholic extract of Roselle petals may reduce free radical production during UV-induced photodecomposition of antibiotics, potentially offering protective benefits for patients using similar topical antibiotics.
1 citations
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January 2016 in “Journal of Microbial & Biochemical Technology” This study found that the free androgen index (FAI) is a superior marker of hyperandrogenism in men with premature androgenetic alopecia compared to DHEAS and testosterone levels.
February 2025 in “East African Scholars Journal of Medical Sciences” In this study conducted at Bangabandhu Sheikh Mujib Medical University, researchers reported that males with androgenetic alopecia had significantly higher levels of serum LH, prolactin, testosterone, DHEA-S, and free androgen index, and lower levels of serum FSH and SHBG compared to those without hair loss.