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Studies combining both peptides in rodent models have examined whether their distinct mechanistic profiles produce additive or synergistic effects on tissue repair endpoints
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Cancers 9:E169
Users combining GHK-Cu with microneedling often report visible collagen results 3 to 4 weeks earlier than GHK-Cu alone, as microneedling creates direct channels for peptide uptake and simultaneously stimulates fibroblast activity
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