Even if hair seems more like a passive part of the body like nails for some people, they require a constant supply of vitamins and minerals to grow thick and strong, that is why hair loss vitamins are so important factor when fighting hair loss.
Bad news is that people usualy do not act fast enough, when their hair starts thinning. Longer you wait, longer it will take for the hair to recover, if you wait to long, some of the hair follicles will permenantly die and they will not grow back.
