is ghk cu better topically or injected GHK-Cu Peptides Before and After: Dosage, Benefits & How It Works for Skin and Hair GHK-Cu Copper Peptides: Topical vs

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Topical Synergies Vitamin C serums complement injectable GHK-Cu by providing an essential cofactor for collagen synthesis while offering additional antioxidant protection

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What Research Shows (Up to 12 Weeks): Chronic toxicity : None documented (studies up to 12 weeks) Organ damage : None detected in histopathological examination Carcinogenic effects : None observed (though dedicated cancer studies haven't been done) Reproductive toxicity : None found in limited fertility studies What We Don't Know: 1