Hi. Have you tried Perricone MD's Cold Plasma Sub-D (new this past summer)? I have it ordered right now and can't wait to try it - a friend of mine has amazing before-and-after photos from using it. Her loose skin that used to hang as a result of her weight loss has literally tightened back into her neck! It's formulated specifically for the jawline and neck. I'm a freelance artist w/MAC and have worked for other lines and tried many, but I've never been more impressed than with this skin care line, much of which I've used myself. The line also has a great fb page with a lot of women who have tried specific products and can give their experiences. It's definitely worth getting to a Sephora and asking for a sample at the very least. Good luck to you!