Cooltouch, Fraxel, Active/Deep FX are just 3 of the more popular lasers cleared for scars. Fillers are technically not FDA cleared for this, but work well and widely used "off label". Data on wrinkle reduction is what is usually presented to the FDA. And do not forget about traditional dermabrasion which has been around for decades.
Web reference: http://www.drmarylupo.com