The effects of hormones on bodybuilding and athletic performance have long been known, but these same factors can also impact the way that the skin reacts to a spray tan - including how dark it can go on competition day.

Natural hormonal fluctuations, stress, and the type of products being used on the skin (harsh or irritating cleansers or creams) all affect the quality of a spray tan. The following article discusses these factors, as well as ways in which their negative impacts can be negated.