GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health Neurogan GHK Cu (Copper Peptide) Neck & Face Serum 1,200mcg (1 oz bottle) Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily ( evenings are great), What time of the day do I take GHK CU? #ghkcu #mt2 #bp #transformation 30 Days Before & After Copper Peptide Serum Copper peptides arent just anti aging theyre skin quality essentials. No matter your age, strong skin = better texture, elasticity, and resilience. Ghk Cu Best Time Of Day To Inject Morning Or Evening