I'm going shopping just for me next week and want to choose a new serum or similar. I have been using Clarins Double Concentrate for three months and really like it as it I find it's lovely under my foundation. I'm not sure I'm seeing any actual improvement in my skin though. I am nearly 50 and feel that I need a product which is more refining or exfoliating to liven up my tired complexion. I don't mind paying a similar price to Clarins if it works, but am equally happy to hear about cheaper alternatives that are good. All advice gratetfully received.