Back when I was a youngster my mentors all wore the same clothes they wore on the farm, or their construction jobs. They might have been washed this year, and they might not have been. They never seemed to have much trouble killing a deer.
Now, all the deer hunting I ever did was using hounds. About like hunting rabbits, only bigger. I never saw any evidence that the wind mattered much. The deer ran upwind, dowwnwind, across the wind. Whatever way they wanted to go. For the most part they just ran around in a big circle anyway...just like a rabbit.
I pretty much wore clean clothes all the time, but things like hunting coats, and hats, just got pulled out of the closet and put on. No aftershave, but then I've had a beard most of my adult life.
I bought a bottle of skunk scent as a cover one time. I figured it wouldn't hurt. Man, I cracked the top on that bottle and got a wiff of that stuff, sealed the bottle up quick and threw it as far as I could throw it. I didn't want to kill a deer that bad.