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Molecular mechanisms of copper uptake and distribution

No human RCT has confirmed an optimal injectable schedule for cosmetic or wound-healing endpoints

Keratin: Nails are 90% keratin

Acknowledgments Authors want to thank Germaine Pugh and Cassia McClain for their invaluable help in preparing the manuscript, and Jessica Michelle Vasquez-Soltero for processing the gene profiling data

Key considerations: Limited long-term human safety data While copper is an essential micronutrient for the body, too much copper can be dangerous

12 Centers for Disease Control and Prevention (CDC)Subcutaneous injection technique: angle, site and no-aspiration guidance