I've been using Fysiko a little over 3wks now, what I have to report is just short of Amazing. Not only have I seen improvements, but the quality of the product is amazing. You see, I have very very sensitive skin, anything bothers my skin, I have to be very careful what I use, especially on my face. I was very careful and reserved with the product the first two weeks, only using it in the morning after shower, and skipping the nightly application in the case I was overly sensitive to the product. I have had NO Issues, none. The only thing that has happened is my eyelashes are GROWING!!!