In the October issue of Good Housekeeping magazine, there is an article that discusses the results of their long term study of 90 anti-aging products. They claim that it is the largest study ever undertaken with state-of-the-art equipment. Here's a short clip to watch and article to read about how they did it and some of their winners:
abcnews.go.com/GMA/Consumer/anti-aging-beauty-product-award-winners-good-housekeeping/story