I have been wearing the serum. It's too soon to tell if it's doing anything. It may be a tad too harsh for me - I have really bad rosacea and it burns my skin the littlest bit. That isn't always a dealbreaker for me as long as I get good results - my dermatologist said that as long as I can tolerate skincare that turns over cells quicker to go for it because that will help my rosacea. So far the biggest turn off for me was the smell. I was kind of hoping it would have a citrus scent because in my head that is what orange vitamin C serums should smell like...