2 citations
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June 2023 in “Journal of clinical medicine” This review found that both oral and topical soy-based products showed positive effects on various skin-related outcomes, including aging signs and skin barrier function, but topical applications were more likely to improve skin barrier status compared to oral supplementation.
February 2025 in “Clinical & Experimental Dermatology and Therapies” In this randomized trial, oral supplementation with Serenoa repens, pumpkin seed extracts, and cysteine significantly improved the clinical effectiveness of topical 5% minoxidil lotion for treating androgenic alopecia in men and women compared to minoxidil alone, with both treatments being well tolerated.
October 2025 in “Journal of Drugs in Dermatology” This study suggests that topical caffeine may be a safe and promising treatment for hair loss, but the researchers highlight the need for more large-scale randomized trials to confirm its efficacy.
October 2023 in “Siriraj Medical Journal” This study found that oral iron supplementation, when given with topical 3% minoxidil, does not outperform the use of topical 3% minoxidil alone in treating female pattern hair loss and iron deficiency.
June 2024 in “British Journal of Dermatology” In this case report, an 80-year-old woman experienced darkening of previously grey hair, which may be linked to vitamin B supplementation, though its effectiveness is typically associated with reversing greying only in the presence of an initial vitamin B deficiency.