Oh just thought of another example: bodybuilders apply heavy tan to look darker on stage. It helps muscles show better under heavy stage lighting. https://www.

Oh just thought of another example: bodybuilders apply heavy tan to look darker on stage. It helps muscles show better under heavy stage lighting. https://www.quora.com/Why-are-all-bodybuilders-tan-Do-they-use-spray-tan-or-is-it-natural https://www.quora.com/Why-are-all-bodybuilders-tan-Do-they-u...