topicBiotin Hair Skin Nail Health Randomized Trial
claimThe objective of this review was to synthesize and critically analyze the available evidence on the effects of topical and oral minoxidil on nail growth, including proposed mechanisms of action, clinical outcomes, and safety.
evidence level3
citationPinos-León V (2026)
sourceMinoxidil Beyond Hair: A Comprehensive Review of Its Effects on Nail Growth.
topicBiotin Hair Skin Nail Health Randomized Trial
claimProposed mechanisms include vasodilation, increased VEGF expression, and hypothesized involvement of pro-growth pathways (e.g., Wnt/β-catenin), largely extrapolated from hair follicle biology; direct nail-matrix-specific mechanistic evidence remains limited.
evidence level3
citationPinos-León V (2026)
sourceMinoxidil Beyond Hair: A Comprehensive Review of Its Effects on Nail Growth.
topicBiotin Hair Skin Nail Health Randomized Trial
claimAlthough evidence remains limited, preliminary findings suggest a potential role for minoxidil in enhancing nail growth, particularly in cases of slowed growth or nail dystrophy.
evidence level3
citationPinos-León V (2026)
sourceMinoxidil Beyond Hair: A Comprehensive Review of Its Effects on Nail Growth.
topicBiotin Hair Skin Nail Health Randomized Trial
claimMinoxidil is a well-established treatment for hair loss, known for its vasodilatory properties and effects on dermal papilla cells.
evidence level3
citationPinos-León V (2026)
sourceMinoxidil Beyond Hair: A Comprehensive Review of Its Effects on Nail Growth.
topicBiotin Hair Skin Nail Health Randomized Trial
claimNutraceuticals represent promising strategies for preventing, delaying and addressing premature aging of the skin, especially as women advance in years (particularly after 30 years of age, when estrogen levels begin to decline, and remarkably after menopause when estrogen production ceases from the ovaries).
evidence level4
citationArbex P (2026)
sourceCollagen, Curcumin, and Glutathione to Enhance Dermal Health in Aging Women with Declining Estrogen Levels -A Narrative Review.
topicBiotin Hair Skin Nail Health Randomized Trial
claimThis review is part of a larger project, and we present this companion review, which provides a detailed examination of the literature beyond polyphenols and/or phytoestrogens for estrogen-deficient skin.
evidence level4
citationArbex P (2026)
sourceCollagen, Curcumin, and Glutathione to Enhance Dermal Health in Aging Women with Declining Estrogen Levels -A Narrative Review.