Facial Serums Beauty & Personal Care, Face, Skin Care, Timeless Skin Care, Treatments & Masks The Original Hyaluronic Acid Serum 100% Pure Refill 8 oz Review by WaxHydra August 13, 2018 No Comments 8 oz (240 mL) refill. non-greasy. natural and paraben free. more actives, less chemicals. made in USA. More The Original Hyaluronic Acid Serum 100% Pure Refill 8 oz