Last time I took biotin (in the form of that vitamin Hair Skin & Nails), I noticed some pretty annoying cystic acne. For a while I thought it was the food I was eating or the products I was using, but it eventually went away when I stopped taking that vitamin. Since then I've been really wary of biotin.
However, I've read that if you take biotin AND drink lots of water, you can avoid the cystic acne side effect. Is there any truth to this?
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