What is Pentapeptide-18? Pentapeptide-18 reduces the depth of wrinkles on the face caused by the contraction of muscles of facial expression, especially in the forehead and around the eyes. It targets in vitro the wrinkle-formation mechanism of expression wrinkles in a new way, offering an alternative to peptides like Acetyl Hexapeptide-3. It can be incorporated in cosmetic formulations such as emulsions, …