My chin is sagging, so I'm curious about the duration of a double chin lift!

As I get older, my skin loses elasticity, so my facial contours have sagged and sullen cheeks are sticking out around the corners of my mouth ㅠㅠ Even when I'm just sitting still, the skin under my chin folds, which makes me feel totally depressed and angry every time I look in the mirror lol. I don't think contouring injections will be able to solve this at all, so I'm getting a machine to tighten it up. Double chin lifting I'm frantically searching for different types! I want a machine that allows me to return to my daily life immediately without bruising or swelling, so I'm wondering which one is the least painful and works instantly. Also, does it refine the body lines after just one session? Double chin lifting I want to know how long the effects last really well lol. It really accentuates your V-line. Double chin lifting If there are any successful先輩s out there, I would be really grateful if you could pass on some great tips.