1.Basic information: Name: Acetyl Tetrapeptide-33/Acetyl Tetrapeptide-40 Purity: >95% by HPLC Additive: 50-500 PPM Source: Grade: cosmetic Odor: no Stability: stable MSDS and COA: available for your reference Appearance: white powder 2.Function: This tetrapeptide reduces redness of face caused by an inflammatory reaction.Adverse effects of inflammation: redness, dilated blood vessels and hyperpigmentation, are visibly reduced. The red areas are less numerous and large and its intensity is weaked. The skin is more uniform and less marked. 3.Application: 1.� treatment of skin with slight rosacea � 2.redness 3.Anti-collagenase 4.Anti-tyrosinase 5.Inhibition of melanogenesis 6.Photoprotection of human fibroblasts