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For a long-form Australian-context explainer of how Schedule 4 status interacts with the Personal Importation Scheme, what FDA reclassification means and does not mean, and what "research-only" framing looks like under the Therapeutic Goods Act, see /blog/is-bpc-157-legal-in-australia-2026

Because studies have evaluated GHK-Cu across multiple cell types (including fibroblasts and keratinocytes) and in preclinical models, it is commonly used to support mechanistic work on aging-related tissue changes, repair biology, and copper homeostasisstrictly within controlled research designs

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The synaptic function aids impulse transmission between nerve cells

55 Levels of Runx2 and collagen X remain unaffected by LPP, indicating that LPP does not influence osteogenic induction