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We are factory specializing in the manufacture and export of Hyaluronic Acid for more than ten years . The products can devides into cosmetic grade and food grade . We have profuse designs with series quality grade , and expressly , our price is very competitive because we are manufactory , we are the source. Hyaluronic acid's molecular weight differ from several thousands to several millions . It's aqueous solution has outstanding moisture keeping ability , high viscoelasticity and lubricity . It is the best component used in cosmetics for moisture keeping in the nature .