... It is very similar to the natural Hyaluronic Acid in human body.Naturalness,activity,low molecular Brief introductionExtracted Hyaluronic Acid is ... It is very similar to the natural Hyaluronic Acid in human body.Naturalness,activity,low molecular weight and easy absorbed ... .05%-0.5%Pharma GradeHA is the main component composing human intercellular substance, vitreum joints synovia, etc. It can retain ...