Are you in love with serums as much as I am? (Read <a href="http://beautyeditor.ca/2009/12/30/editors-pick-this-works-active-serum/">here</a> and <a href="http://beautyeditor.ca/2010/03/31/how-to-treat-oily-skin-hormonal-acne-and-post-acne-marks/">here</a> if you need to get up to speed.)

If you're already a devotee, I have a tip for you: make sure you wait at least 5 to 10 minutes after you apply your serum to let it fully absorb into your skin.