Imperium doesn’t use any finishes on our razors or other turned products. We use a waterproof coating to protect the wood while allowing the natural color to show through. However, working with finishes is an important aspect of woodworking. Linseed is one of many options for finishing. Theand following article explains the usage:
http://www.popularwoodworking.com/woodworking-blogs/make-linseed-oil-wax-finish