This (http://www.drugstore.com/products/prod.asp?pid=186877&aid=336064&aparam=hair%20skin%20&%20nails&scinit1=hair%20skin%20&%20nails) is one brand. There are several out there nearly all called "Hair, Skin & Nails" The primary ingredient is biotin, which also supplements your hair health and your skin.
When I was very young my hair was so dry and brittle that it would break off just by brushing it. Like straw. It is now extremely healthy and down past my mid-back. Genetics plays a large part in it remaining somewhat reddish blond/brown into my 60's, but I am also certain the supplement helps.
It takes about six weeks to see the change, but once it starts you really notice the difference. Good luck.
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When I was very young my hair was so dry and brittle that it would break off just by brushing it. Like straw. It is now extremely healthy and down past my mid-back. Genetics plays a large part in it remaining somewhat reddish blond/brown into my 60's, but I am also certain the supplement helps.
It takes about six weeks to see the change, but once it starts you really notice the difference. Good luck.