My skin has always been sensitive & prone to outbreaks. It has been very difficult to maintain a clear skin. There are also a lot of acne scars as I kept picking my pimples. The first time I used the serum, my skin was slightly red & welts formed. But, that was indeed the first & LAST time it happened. As I continued to use the serum, my skin became more calm, smooth, & brighter. From someone who has suffered with bad skin for years, I truly recommend Aprilskin's Carrot Serum! Will continue to u...