Meet the Glow Peptide Your new inside out radiance booster. This powerful blend of GHK Cu, BPC 157, and TB 500 works to: Stimulate collagen & enhance skin elasticity Brighten skin, improve tone Cellular Glow Copper Peptide GHK Cu Serum for Face The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline You started using a GHK Cu peptide serum on your face and now , The things no one tells you., Yes, the injections can hurt like a bitch. , Heres the thing Ive found it works even better topically,