Answers · Updated on 2026-11-13
How do I choose a copper peptide serum?
Look for GHK-Cu named on the label, a full INCI list, a dropper you can dose and clear usage directions. Fragrance-free is better if your skin reacts easily.
Answers · Updated on 2026-11-13
Look for GHK-Cu named on the label, a full INCI list, a dropper you can dose and clear usage directions. Fragrance-free is better if your skin reacts easily.