Delta Sleep Inducing Peptide [DSIP] 62568 57 4 PDS 4054 DSIP Peptide Therapy in Dubai GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has DSIP (Delta Sleep Inducing Peptide) is a synthetic nonapeptide originally isolated and studied for its association with neuroregulatory signaling systems. It is evaluated in controlled research environments for its interaction with central nervous