Amazon has the L’Oreal Paris Revitalift Derm Intensives 1.5% Pure Hyaluronic Acid Serum for Face for $10.95 - 10% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 10% off with Subscribe & Save (can cancel anytime) = $8.79 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders).

Fact: L'Oréal Paris sells one bottle of Revitalift Derm Intensives Hyaluronic Acid Serum every 60 seconds.