Purity: 95% min Specification: Appearance :White powder Water Content(Karl Fischer) :=5.0% Acetate Content(by HPLC) :=15.0% Amino Acid Composition :±10% of theoretical Purity (by HPLC) :=95.0% Single Impurity(by HPLC) :=2.0% Peptide Content(by %N ) :=80% Assay(By Anhydrous, Acetic Acid-free ) :95.0~105.0% Bacterial Endotoxins :=10EU/mg Usage: Relaxes facial wrinkles, reducing the degree of existing wrinkles. Package: 1 g bottle