What are your thoughts on peptides like GHK CU and BPC 157 (those not FDA approved) I am seeing providers offer them and do see that they can be helpful but if they aren't GHK Cu for Skin: SIGNAL's Guide to Rejuvenation Neurogan GHK Cu Copper Peptide Face Cream 4% Sierra Leone Ubuy People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian