How does Vaniqa / Eflornithine work?
An enzyme called ornithine decarboxylase, that is found in hair follicles is blocked when eflornithine goes to work. Ornithine decarboxylase is necessary for the growth of hair and the blocking effect of Vaniqa thus stops hair growth. After due analysis of this effect, the FDA granted approval for prescription use of Vaniqa as a treatment for facial hirsutism. If you seek more information about Vaniqa, you can read the many FAQ available online. There are also several news items from where you can get lot of details.