Noun
English Wikipedia has an article on:eflornithineWikipedia
eflornithine (uncountable)
(medicine) A drug, α-difluoromethylornithine, used to treat cancer and sleeping sickness
Eflornithine (Vaniqa) is a drug that is applied to the skin in cream form, and acts directly on the hair follicles to inhibit hair growth. Source: Internet