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Wow, took a chance on this cream and it's done wonders. Honestly though it say put a thin layer over the affected area and leave for two hours. I tend to put on a thicker layer on the whole face just to make sure XD. I've seen alot of difference and I've used and whole tube and into my second. Now I use it less. When I feel it's needed. When I used to use it every night.
If you haven't used this product start on 2.5-5% don't feel tempted to use 10% straight away build up to it. I feel like I'm okay to stay at 5