7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. Can You Start with 100mg of Gck Cu TikTok Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed 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 How Often to Inject GHK Cu PeptidesExplorer