GHK Copper Peptide Facial Serum 1% GHK Cu wrinkles crow's feet Hair Shedding eBay GHK CU Topical Serum 30ml Azur Skin Am+Pm 5% B5+GHK Cu Hydrating Serum 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, Advanced skincare, elevated Now available: Facial Beauty Serum with Copper Peptide (GHK Cu) by Quicksilver Scientific This elegant topical serum features cosmetic grade copper peptide to support smoother, more radiant looking skin and overall