Topical or SubQ GHK Cu? Same molecule. Very different purposes. Topical you apply it on your skin. Think of it as feeding your skin from the outside. In a 12 week study of GHK Cu Peptide: Mechanism, Anti Aging Research, and Regenerative Benefits GHK Cu Raw Powder 1g (Topical Research Applications) Polaris Peptides Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule
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topical ghk cu studies GHK-Cu: The Peptide That Transforms Skin and Tissue Health – Calibrate Hydration