Is Fungus Fueling Your Eczema? What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B How Long Does Eczema Last What Your Skin Is Trying to Tell THE POWER COMBO: GHK CU + BPC 157 = NEXT LEVEL RESULTS Here's where peptide therapy gets really interesting. GHK CU builds collagen. BPC 157 accelerates healing. But when you combine them? You get exponential results.