ghk-cu modulates over 4000 genes Peptide: Clinical Evidence & Injectable Protocols GHK-Cu Peptide: Mechanism, Anti-Aging Research,

These come in various sizes, but 0.5ml or 1ml syringes with 29 to 31 gauge needles work well for subcutaneous administration

Lower-quality formulations may contain excess free copper ions that deposit on or in the skin

(Check out Midis Copper Peptide Repair Cream , formulated by menopause-trained experts and designed to visibly restore firmness, hydration, and help calm irritation.) Even though the GHK-Cu peptide is well-studied and proven to help improve skin and strengthen the protective barrier over time, other topical ingredients can work hand in hand alongside copper peptides to optimize collagen production and skin rejuvenation

Of course, more studies are needed to confirm or deny this possibility, but current research is encouraging