To the ladies, which anti aging products actually work from your experiences?

I heard many times that some anti aging products don’t work as well as the companies claimed them to be.

Which affordable brands (like Loreal, Olay, Garnier, etc) of anti aging products actually work from your experiences?
I have wrinkles under my eyes and on my forehead that I need to get rid of.

What Actually Causes Facial Wrinkles?

My mother always used to wear sunglasses (and still does) on sunny days, saying that squinting in the sun causes wrinkles around the eyes. But don’t these wrinkles go away once you’re out of the sun? Do facial expressions actually cause wrinkles?