Ghk cu is honestly amazing for firmer, tighter, more lifted skin!! As we age, our natural copper peptide levels drop, which slows down collagen + elastin production (aka the proteins that keep your Gkcu Peptide Result TikTok 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Neck Tightening with GHK Cu & SNAP 8 Hydra Needle Peptide Treatment Skin Perfection GHK Cu Copper Peptide Serum Booster, 1 Percent Blue Liquid For Face, Neck, Body, Hair, And Scalp, 0.5 oz Walmart.com