Product Description: Palmitoyl Tetrapeptide-7 (PT-7) is a synthetic peptide comprised of four amino acids whose sequence is SSNA (Serine, Serine, Asparagine, Alanine). As in PP-4, palmitic acid is attached to the peptide chain as a penetration enhancer to drive the peptide through the stratum corneum. PT-7 was formulated with the goal of suppressing the body’s production of excess interleukins, the …