hyaluronic acid in cosmetic grade White powder Food grade,comestic grade, Injection grade various molecular weight hyaluronic acid in cosmetic grade Detailed Product Description Hyaluronic Acid White powder Food grade,comestic grade, Injection grade various molecular weight available. Hyaluronic Acid, (C14H21NO11)nCAS No. : 9004-61-9assay: ≥98%PH10%: 5.5-7.5 Various molecular weight availableHA ...