The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
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January 2020 in “Archives of Medical Research” Formononetin, found in red clover, may treat hair loss with fewer side effects.
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March 2012 in “Journal of Dermatological Science” Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
June 2025 in “Mağallaẗ ʻulūm al-rāfidayn” New pyrazole derivatives may help treat hair loss, but more testing is needed.
November 2023 in “Hair transplant forum international” Caffeine can stimulate hair growth, but the best dose and frequency for hair loss treatment are still unknown.
September 2023 in “Biology of reproduction” New testosterone analogs show promise for male contraception with better activity and potentially fewer side effects.
June 2023 in “International journal of research in ayurveda and pharmacy” Dhatryadi Rasayana, an Ayurvedic herbal mix, may be a safe and effective way to prevent premature hair greying.
The document explains how certain drugs block hormones to treat cancers like breast and prostate cancer.
October 2010 in “Journal of Men's Health” Larger prostate size in older men may be linked to poorer semen quality and fertility issues.
October 2010 in “Journal of Men's Health” The conclusion is that doctors should be careful when prescribing 5α-reductase inhibitors due to possible serious side effects, and they should discuss these risks with patients.