Marzenas unique No More Facial Hair Treatment can dramatically reduce the re-appearance of facial hair and prolong the time between waxing treatments. Some hair may even stop growing back and hair that does return will appear thinner and lighter. Marzenas facial hair inhibitor serum contains a combination of ingredients proven to be effective in inhibiting hair growth. The serum targets its action on the new root cells at the base of the follicle, preventing, slowing and weakening new hair formation and effectively decreasing hair growth and appearance. Dermatologically tested and safe.