I had pretty good hair and nails to start with.
But I notice that my skin in general is in better shape and heals quickly from scratches, etc. (I have cats, you know).
But biotin does alot of important metabolic things that we cannot see, that are associated with proper mitochondrial functions.
http://lpi.oregonstate.edu/infocenter/vitamins/biotin/
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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