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 Two Weeks on GHK CU by Rory Uphold The Ladies Room Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation GHK Cu Revival Clinic Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: GHK Cu Peptide Therapy Brea, CA Orange County