Ho trovato questo: http://www.freepatentsonline.com/6562377.html
The present invention concerns a method of making a composition to stop hair loss obtainable from a mixture comprising paraffin oil, alcohol and a piece of fur from an otter or a mink, wherein this mixture is placed in a closed plastic vessel for 30 days and a ready for use product is obtained after removing the fur from the vessel.
Mexis faceva il pellicciaio e ha ricavato la lozione dalla pelliccia di un visone. Forse è per questo che la lozione ha un costo esorbitante (450-800 euro).