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Since that pivotal discovery, research has revealed GHK-Cu’s remarkable ability to modulate over 4,000 human genes, stimulate collagen synthesis by up to 70%, reduce wound healing time by 30-50%, and demonstrate efficacy comparable to 5% minoxidil for hair growth

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For prescribers, this means the "what does this actually cost without insurance" conversation has a materially different answer in 2026 than it did even a year or two earlier, and it's worth checking current cash pricing rather than relying on a remembered figure