Kaminomoto Hair Growth Trigger For Hair Thinning uses crude drugs and plant extractions as chief ingredients that help to regenerate depressed capillary vessels around the hair root and hair papilla. It activates nutrition supply to the hair root from vessels and promotes the production of new hair by activating hair papilla. Moreover, the hair cycle of downy hair will be normalized, making hair thick and strong. Amino acids, especially cystine, are essential for healthy hair growth. Weak capillary vessels cannot furnish enough nutrition to hair papilla or support the growth of new hair. The ingredients prevent contraction of vessels, expand them and stimulate blood circulation, acting to restore hair at the late stage of falling hair.