While it is pricey, a 125g jar (4 oz.) usually lasts me at least a year and a half. You could call it a chemical illusion of a warming sensation, but it helps a person feel warmer on rides. Of course, still dressing for the weather is important, but embro makes my early morning commutes a lot more pleasant.

The capsaicin (the active ingredient in chiles) activates sensory neurons in the skin, causing a burning sensation. Because the compound is fat soluble, maybe the best way to remove it is rubbing the areas with vaseline or oil (probably wear gloves for this, and use something disposable, like a paper towel).