Multipeptide Serum xP is a concentrated serum formula based on as many as four types of peptides. It contains the SYN®-TACKS CB peptide compound, copper tripeptide-1 and acetyl octapeptide-3. Palmitoyl Dipeptide-5 Diaminohydroxybutyrate is most commonly associated with improved skin elasticity and smoothing. Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine is used to support skin structure. It is associated with smoother texture, greater firmness and better support for collagen and other structural proteins. Copper Tripeptide-1 is a copper peptide widely used in skincare and haircare products for its role in renewal and nourishment. It is most often mentioned in the context of stimulating skin regeneration, soothing and supporting a healthier-looking complexion. Acetyl Octapeptide-3 works by influencing signalling associated with muscle contractions. In skincare, it is used for its potential to reduce the appearance of expression lines, particularly on the forehead and around the eyes. Multipeptide Serum xP targets early signs of skin ageing, from the appearance of expression lines to loss of elasticity, firmness, tone and radiance. works against signs of premature skin ageing helps improve texture and tone contributes to skin elasticity and volume Contains no added fragrances or colorants and is suitable for use in both women's and men's skincare. SYN® is a trademark of dsm-firmenich group.