Ot has said it on here many times: until you can stop breathing for the duration of your hunt... Theres going to be human scent in the air.
Somebody else in a recent thread mentioned using all the shower soaps and washes. Then they probably get out and dry off with a towel from their regular towel closet.
I still occasionally use a scent spray. Its better to just be smart about the wind imo.
-Jake