I have been using the CE serum for two years and bought this just to see whether there was a significant difference. I prefer the smell of the CE, but this is just as effective, if not more when it comes to hyperpigmentation. I have a dark mustache that I don’t even remember having until I go a week without my skinceuticals serum.

I think it's working.

I switched to this product from SK CE Ferulic, after using it for a number of years, as my skin seemed to grow more sensitive with age. (75) And I developed some stubborn sun spots. Since using Phloretin CF the sensitivity has disappeared and sun spots are lighter. I am very happy with the product and will continue using.