Looking for a Real Laser Cure for Mild Lose Skin?

Hello, I have a small issue. My weight has yo yo between 20lbs in my life. I am 40 now and I look decent the problem is a see tinny folds of lose skin on my tummy and upper hip becuse of strech marks. My dream is to laser of the marks and tighten up the tummy and legs. My buddy had thermage and had no results. So what is the real deal for mild (but noticable lose skin) ps my brow and jaw lin too same laser?