Two Weeks on GHK CU by Rory Uphold The Ladies Room GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu 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 GHK Copper Peptide GHK Cu Tripeptide 1 I didnt expect much when I started using GHK Cu but after 6 months, I get it., Heres what Ive noticed:, My skin feels tighter and smoother, That crepey look? Way less noticeable, Fine