I use scent blocker and it works for me....but it's not to stop the critters from smelling me. It's works great so I don't have to smell my self. I take 2 sets of clothes and spray down mainly my shirts and ender-gear so when I put them on over my head after three days I don't puke a little in my mouth.
Then there is always a bath.... Unlike most hunters and the stories they tell, the modern day hunter understands the need to cleanse oneself once in a while.
Scent free soaps, a little water. One can even heat the water to prevent the adolescent yelping often overheard from an unexpecting hunter dipping in a mountain stream.
If the clothes are funky, you can even wash them. Ask a mom or wife to show you how that works too! I was raised by a pack of women, so this skill is not foreign to me by any means.
To this day, I have yet to go hunting or camping for any length of time and come home smelling like the backside of a three day dead yeti.
Scent control can help...so can a bath. And like many said ahead....wind my friend. Ask the cavemen....they apparently survived hunting without all the gizmos...we are here arent we?
I hunt because......