Biossance Squalane + Copper Peptide Rapid Plumping Serum 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 Neurogan Copper Peptide Hair Scalp Serum for Fuller Softer Shinier Hair Walmart.com 7% GHK Cu Accelerant