77 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
16 citations
,
February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
2 citations
,
June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
1 citations
,
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.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
7 citations
,
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
,
August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
57 citations
,
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.
3 citations
,
February 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
September 2015 in “Actas Dermo-Sifiliográficas” People with advanced chronic kidney disease often have skin problems, which can be treated with various medications and procedures to improve their quality of life.
1 citations
,
February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
32 citations
,
January 2006 in “Liver transplantation” Vitamin A toxicity can cause severe health issues and may require a liver transplant if other treatments fail.
March 2023 in “International journal of trichology” Six genetic conditions are often linked to complete scalp hair loss in children.
October 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Kudo Zero Sugar Collagen Gummies may not effectively reduce wrinkles or improve skin, hair, and nails.
Taking too much biotin can mess up blood test results, which might lead to wrong diagnoses and treatments.
5 citations
,
December 1978 in “PubMed” Malabsorption can cause skin issues like pigmentation changes and hair loss, which improve with treatment.
7 citations
,
July 2021 in “PubMed” Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.
6 citations
,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
April 2017 in “Journal of nutritional health & food engineering” Over 65% of people in the United Arab Emirates have undetected vitamin D deficiency, causing symptoms often mistaken for stress or migraines.
12 citations
,
May 2015 in “Journal of the National Comprehensive Cancer Network” Doctors should actively prevent and treat skin side effects in cancer patients to keep them on the best medication and reduce discomfort.
November 2019 in “European journal of internal medicine” A Laotian man with unusual skin changes and multiple growths in his gut was diagnosed with Cronkhite-Canada Syndrome and improved with nutritional and immune-based treatments.
March 2014 in “CRC Press eBooks” Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.
140 citations
,
December 2017 in “Journal of Controlled Release” Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.
20 citations
,
May 2007 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Etanercept effectively treated a severe skin condition when other treatments failed.
February 2023 in “Aesthetic Cosmetology and Medicine” Medicinal plants in nutricosmetics contain compounds that can improve skin and hair health.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
66 citations
,
June 2018 in “British Journal of Dermatology” European guidelines recommend regular eye and ear exams, skin care, vitamin D supplements, and cautious use of medications for managing congenital ichthyoses.
138 citations
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February 2007 in “European journal of cancer” EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.