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Smaller Injection: If you want less fluid under the skin, it drops the automated fluid volume down (e.g., 1 mL) while keeping the final draw locked onto an easy to read number, such as 15 or 20 units

demonstrated that GHK-Cu at nanomolar concentrations significantly increased collagen synthesis in fibroblast cultures roughly double the rate of non-collagen protein synthesis, indicating a selective effect on structural protein production (Maquart et al., 1988)

Copper peptide serum supports collagen and elastin production, strengthens the skin barrier, calms inflammation, and improves firmness and radiance over time