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doi: 10.1074/jbc.TM117.000259

Following subcutaneous injection, the peptide enters systemic circulation with bioavailability of 14-19% in rats, while intramuscular administration achieves 45-51% bioavailability in beagle dogs, indicating both route-dependent and species-dependent absorption characteristics

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For this reason, monitoring by a doctor is necessary

Our customers using Glow Up copper peptide patches report visible improvements in: Skin firmness and bounce Hydration retention Diminished pigmentation and acne scars Soothing of rosacea and redness Fine line reduction - especially around the eyes and mouth Paired with a balanced lifestyle and consistent use, the before and after with copper peptides for skin is undeniable