I started using the Obagi C Rx System on June 18, 2004 and cannot believe the difference in my skin. I have been getting compliments from perfect strangers from all over. I am super, super impressed with this new line (I never used any Obagi product in the past). My skin glows, my pores look smaller, my blackheads are gone, my face looks smoother, I really cannot believe how great my skin looks. This stuff is a little miracle in a bottle.