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. Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Understanding Peptides: BPC 157, GHK Cu & Beyond Meeting Point Health Heal, Repair, Recover BPC 157, TB 500, GHK Cu, & KPV TB 500 vs BPC 157: Comprehensive comparison of healing peptides