How to Inject Peptide Based Medications (Subcutaneous Method) Hone Health GHK Cu Eden Health Club The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect Uses and Benefits #ghk GHK Cu is a naturally occurring peptide in human plasma that declines with age. When used in injections (usually subcutaneous), it can offer various benefits: Skin Rejuvenation and Anti Aging: 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,