<unk>  is a hair growth retardant, ornithine decarboxylase inhibitor that is FDA approved for the treatment of reduction of unwanted facial hair in women.   Common adverse reactions include acne and stinging of skin.
Eflornithine
Imidazolidinyl urea
Succimer
Fluvalinate
Isocarboxazid
Hexamidine
Etazolate
Cycloserine