I can definitely tell the difference on days I use this and days I don't. It's not a miracle worker, but it does slightly reduce the appearance of fine lines underneath my eyes. Really love this especially for the price and the amount you get. (The tube is not 100% full, but it's still a lot of product.) It takes a few minutes to fully absorb, and then my under eye area feels suuuper moisturized (sometimes I alternate between using only this or pairing it with another eye gel though).