I know they sell some products for chicks that supposedly will do it. Its some face tightener shit that has some Retinea in it. Could work or could be crap - was pretty expensive. Also you'll have to spare the embarrasment of getting caught browsing in the chick section.
thanks guys for all your replies. I lost about 30 pounds. I want to go another 10-20. I just have loose skin so I was wondering how long it will take to tighten so thanks alot.