1.Basic information: INCI Name: Pentapeptide-18 Cas No: 64963-01-5 EINECS : 265-291-0 Formula: C29H39N5O7 Molecular:569.65 Sequence: H-Tyr-D-Ala-Gly-Phe-Leu-OH Purity: >95% Source: Grade: cosmetic Stability: stable Solubility: soluble in water Odor: no Chemical Structure: Formulation: available for your reference, please contact us. MSDS and COA: available for your reference, please contact us. Delivery: promptly from stock Appearance: white powder 2.Usage: Pentapeptide-18 can reduce facial muscle contractions that lead to expression lines and reduce the depth of those wrinkle on the face caused by the contraction of muscles used in facial expressions.