What Can LED Lights Really Do For Your Skin?

Can simply sitting under a colored light for a few minutes actually transform your skin? LED light therapy devotees claim that it can do everything from eliminate acne, calm rosacea and eczema, prevent wrinkles, and heal scarring. And unlike lasers, LEDs promise to be completely painless. Given that most cutting edge beauty treatments seem to involve some sort of discomfort, LEDs sounded too good to be true. I headed to the Rescue Spa in Philadelphia to check it out for myself.