Beth N: Convinced by the reviews (and quality of Kiehl's products I have used in the past) that this was worth trying, especially for neck wrinkles/dryness.Sep 2, 2012
Heather S: love serums and firm skin sounds awesomeSep 2, 2012
Stephanie S: Using the Vitamin C concentrate but wanted to try a milder version since I don't have lines yet.Aug 26, 2012