I have a tannery as well as a taxidermy shop I use protex presoak on all the hides i tan for myself as well as others it soaks into the skin and releases vapors over several years i have mounts and wallhangers thats been in my house and shop for more than ten years and i've never had a problem if you ask your taxidermist would probly order you some the directions are on the bottle its very easy to use and works great i hope this helps and best of luck to you