I've never used any form of scent control other than the wind. Your body produces bacteria constantly. You can't cover up or spray enough to eliminate all of your odor since animals can smell 1-2 parts per million.
Domestic dogs smell 2 parts per million. They can differentiate six different odors at one time. We smell stew cooking but they smell meat, carrots, onions, potatoes, spices, et.
Crocodiles can detect a rotting carcass from four miles away. I had one pull down half of a leopard bait hung in a tree that was two miles from any water.
Sharks detect smells between one part per 25 million and one part per 10 billion.
Animal's long snouts create more room for special nerve cells that receive and interpret smells. It's estimated that humans have about 5 million of these olfactory receptors, while members of the deer family, including elk and moose, have about 300 million.
You just can't cover up your odor enough to be undetected by animals.
I feel the same way about commercial camouflage clothing. The power of marketing catches people.