ghk-cu copper peptide definition Asterwood Peptides Serum for Face, w/Hyaluronic Acid Meet GHK-Cu. The ingredient your

It is non-toxic, non-irritating, and suitable for most skin types, including sensitive skin

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GHK-Cu is a copper-chelated tripeptide with distinct mechanisms Advantages Broader preclinical evidence base across multiple organ systems Disadvantages No topical cosmetic applications, not naturally occurring in plasma Matrixyl (Palmitoyl Pentapeptide-4)Moderate - Both used in anti-aging skincare Differences Matrixyl is a synthetic pentapeptide signaling fragment

Discontinue use if irritation or rash develops and consult a physician