July 2012 in “British Journal of Dermatology” Hair loss treatments show limited improvement, sunscreen thickness affects vitamin D production, and the effectiveness of IVIg for toxic epidermal necrolysis is uncertain.
23 citations
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June 1993 in “PubMed” Medication 1 improved hair quality and growth more effectively than medication 2 and the placebo.
24 citations
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May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
19 citations
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November 1937 in “Experimental biology and medicine” Nutritional deficiencies in rats cause skin problems that can be treated with the right vitamins.
4 citations
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January 2020 in “Frontiers in Physiology” Good feather growth in poultry needs the right balance of proteins, amino acids, minerals, and vitamins.
Taking too much biotin can mess up blood test results, which might lead to wrong diagnoses and treatments.
The supplement improved hair density and overall hair beauty.
95 citations
,
February 2018 in “Dermatology and Therapy” Nutraceuticals may improve skin health and protect against aging, but more research is needed on their optimal use and possible health risks.
70 citations
,
June 2023 in “International Journal of Molecular Sciences” Air pollution harms skin health and can worsen skin diseases.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.