Lately, it seems that every time you walk into a dermatologist’s office, the doctor wants to whip out his latest toy–the laser. Broken blood vessels? No problem at all. let’s laser them. Scars? One single zap and they’re gone. Ditto for moles, wrinkles, excess hair, tattoos, stretch marks–you name it. But according to Dr. Roy Geronemus, director of the Laser and Skin Surgery Center of New York, “There’s a huge list of things that can be done with lasers, but they’re also being overused and abused, and some salons and even doctors are making claims that can’t be backed up yet.” In this video, we tell you the hype-free truth about the various top laser treatments–including when you might be better off with a low-tech alternative.