Skin Of Youth Healthy, Younger looing skin

With all the different skin care products out, how do you which is best for you?

I have to admit when I go down the skin care aisle at my store I do get a little overwhelmed.

There must be over a 100 different products for your skin. How do you know what to choose for your skin type and age?
I don't have any problems I want to fix, it's more for preventative measures.

I'm lucky enough to have pretty even skin and I've never had an acne problem.

So really I guess what I need is something to maintain my skin as it is now.