GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health Amazon.com: GHK Cu Copper Peptide Serum Anti Aging Face Serum for Skin Firming, Wrinkle Reduction, Hydration & Collagen Boosting, 30ml(1 fl oz) : Beauty & Personal Care Ghk Cu Best Time Of Day To Inject Morning Or Evening Copper peptide questions we get asked all the time , How often should you use it? Do you need to avoid the sun?, If youre new, start once daily (evenings are great), then build up if your skins Just started GHK Cu? Heres what to expect, This isnt an overnight peptide, it builds, Weeks 12:, You may start noticing small shiftsskin feels a bit smoother, nails a little stronger, Weeks 34:,