LVLUP Health GHK Cu Oral Copper Peptide Capsules Holistic Lifestyler Bunbury Chiropractic Services & Supplement Store All About GHK Cu Peptide More Than Just Cosmetic 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),