How can you promote healthy hair growth?

prenatal vitamins! :)How can you promote healthy hair growth?
if u want to grow ur hair,there's a soap.which is from surat(india).it is very useful,even my hair was not growing,but when i used it it really worked,i can send that u for free.just send me ur address.thanks,oozmaaHow can you promote healthy hair growth?
Take 1500mg of Biotin, make sure you get enough of vit D, E, A, and K. Get moderate excercise and drink a lot of water.