Foti - Biotin
Fo-Ti can not only improve hair growth, but also prevents and reduces hair loss. It does this by acting on FGF-7 gene, which encode proteins that act specifically with Epithelial cells.
It also stimulates SHH expression. A number of scientific studies suggest that the SHH gene, a crucial growth regulator in embryonic hair follicles, may also have an effect on postnatal hair growth when topically.
But perhaps it's most notable function is its ability to significantly enhance hair colour. It can help delay and help restore grey hair to dark hair colours.