1.Basic information: INCI name: Acetyl Tetrapeptide-5 Cas No: 820959-17-9 Formula: C20H28N8O7 Molecular:492 Sequence: Ac-Beta-Ala-His-Ser-His-OH Purity: >95% Odor: no Grade: cosmetic Source: Stability: stable Solubility: soluble in water Peptide Solution: 0.1% Capacity: 600g per month Appearance: white powder Formulation: available for your reference, please contact us MSDS and COA: available for your reference, please contact us Delivery: promptly from stock 2.Usage: Acetyl Tetrapeptide-5 reduces puffy eyebags 3.Description Acetyl Tetrapeptide-5 has clinically proven anti-edema (reduces fluid build-up) properties and also improves the circulation in the under eye area. When applied topically, this ingredient helps prevent and visibly reduces puffiness.