Biotin: Hair loss is a complicated issue that can be caused by many things, ie overproduction of dihydrotestosterone (dht), autoimmune disease, & hypothyroidism. For the sake of answering this question on vitamins, the winners go to biotin & dexapanthenol. These ate two vitamins necessary for hair production. Quality is important so do your research.
Answered 7/1/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
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