Dr. Barbara Sturm Hyaluronic Serum, 1.0 oz./ 30 mL DetailsThe HYALURONIC SERUM is packed full of highly concentrated long- and short-chain hyaluronic molecules that provide intensive hydration. The serum functions as a super booster against wrinkles. It has an instant effect tangibly firmer, intensively hydrated skin that leaves you looking refreshed and radiant. The serum can be easily dispensed using the practical pipette bottle, making it perfect for daily use, as an intensive treatment, o.