That's right, you can grab the serum, plus everything else on Obagi's site, for 20 percent off from now through Sept. 19 (simply add the products to your cart to score the savings). Want to know ...

Feeling overwhelmed by endless product options and influencer hype? We've got you. Check out Dr. Suzan Obagi's step-by-step guide to a simple, effective routine that'll keep your skin glowing and ...