Concerns about elasticity management cosmetics

I went to a class reunion a while ago and was really surprised after taking a group photo.

I used to love taking photos, but I noticed that my reflection on the screen looked particularly puffy, and my facial features weren't what they used to be. I thought it might be the lighting, but when I looked in the mirror again, I could see the area around my mouth sagging a little. It's time to start using firming cosmetics.

I'm usually very picky about cosmetics, so I carefully scrutinize the ingredients. But with so many elasticity-management cosmetics on the market, it's hard to choose. Expensive brands don't necessarily mean good, but are there any elasticity-management products that are both affordable and high-quality? If you've struggled with sagging skin like I have, I'd love to hear about any products that have proven effective. How do you choose your products?