While there are tons of (questionably efficacious) topical creams on the market, nothing can rejuvenate your skin like a laser treatment. The technology is changing constantly, and it's easy to be overwhelmed when you start researching. I got Dr. Gervaise Gerstner, a board-certified dermatologist and laser treatment expert, on the phone and picked her brain about the different types of lasers, what they do, how much they cost, and what kind of side effects you can expect. From the "gateway drug" laser to the big guns, there's a treatment for everything that ails you. They're definitely not cheap and there are some risks, so you need to know what you're getting yourself into. Click through and learn.