The pharmaceutical drug eflornithine hydrochloride (Using the trade names Vaniqa and Follinil) inhibits the enzyme ornithine decarboxylase, stopping new hair cells from making putrescine for stabilizing their DNA. El vello de la espalda suele salir en los hombres, al last de la adolescencia o en la adultez. Normalmente, sigue apareciendo https://www.google.com/maps/d/edit?mid=1R0-HnBii5YVpBENbK6Y6GIel8WklBOw&usp=sharing