Can anyone explain the reasoning that gear produces a reddish/brownish/bronzish hue to the color of skin. My appearance has taken on a sort of orangish/bronze-like tone over the course of the past several months. It appears as if I'm hitting the tanning booth (I don't) and/or I have some Jan-Tan bronzer all over my body. I know this is due to the gear but what is the medicinal/scientific reason??