Regardless of what you use frequent touch ups are needed. Time alone will dull a head even without rust. I don't know what in the sharpie works but it does.

QuoteOriginally posted by TxAg:
An anticoagulant would be a good thing.

Vaseline is a coagulant. But I agree with JimB...can't imagine it would be enough to hurt anything.

sorry i meant coagulant not anti coagulant.
 

I use an automotive paste wax. Rub on, let dry, go hunting.

I  like stainless steel blades...Phantoms and Raazorcaps. Takes care of that problem and they hold an edge way better than any carbon/steel head I have ever owned.

I just bought a can of food grade silicon spray meant for the inside of my sausage stuffer.  I plan to give it a whirl this fall.

a long tome ago somebody said they used rendered deer fat, and claimed he tested it and it lasted for 2 years, I did try some years ago and it did work well, but I too live in a fairly dry environment and haven't thought about it till lately we're getting lots of rain this year, I think I will render some deer fat and give it another try..Now I just got to get a deer,