I absolutely love this ampoule! I've been using it for a month and a half, and haven't stopped raving about it! While it does have a brightening effect on my skin, this is not the aspect I find most impressive as I use other products in my routine which give the same effect. The aspect I find most impressive is its impact on keeping my skin clear and reducing my breakouts. I have acne-prone, combo skin and it's a constant effort to keep my skin clear; however since I've been using this I've noticed a huge improvement with less breakouts and when I do breakout they clear faster. I will definitely be repurchasing this!!