White powder wholesale Sodium Hyaluronate 98% Sodium HyaluronateThis product is widely exists in animal and human physiological activity, in skin, joints, synovial fluid, umbilical cord, aqueous and eye vitreous in distribution. Molecular weight is 500,000 ~ 730000 Dalton, its solution with high visco-elastic and profile, the auxiliary agents for eye surgery, solution into the eyes behind before ...