Finding a really great self-tanner is a big beauty quest for most women -- you know, one that doesn't streak, turn you an unnatural shade of orange and actually creates a believable sunny glow. We know, for example, that Jennifer Lopez loves her Clarins Self Tanning Instant Gel, but we're still searching for our favorite. This often leads to some scary experimentation -- who hasn't had to wear pants in the broiling heat because of splotchy calves? We ...