1 citations
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April 2016 in “Journal of Investigative Dermatology” Patients with Focal Dermal Hypoplasia often experience skin, nail, hair, and bone issues, and may benefit from calcium and vitamin D supplements.
7 citations
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
1 citations
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August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
57 citations
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February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.