OEM ODM GHK Cu & SNAP 8 Copper Peptide Anti Wrinkle Firming Face Serum GHK Cu Copper Peptides: Topical vs Injectable Ghk Cu and Snap 8 Etsy The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, NEW PRODUCT LAUNCH Our GHK CU + SNAP 8 Biocosmetic Cream combines two powerhouse peptides to help: soften fine lines improve skin firmness boost hydration support collagen production