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Description
Without it, purity claims are marketing copy

Pickart and colleagues reported that systemic (injectable) GHK-Cu induced wound healing in rats, mice, and pigs, suggesting that the peptide's effects extend beyond the local application site

Benefits include increased collagen and elastin production, antioxidant properties, and anti-inflammatory effects

Darkness is your friend , UV light can react with aromatic amino acids (tyrosine, phenylalanine)
