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Most evidence remains theoretical rather than robustly validated

The pathogens in question were the bacterium Staphylococcus aureus and the fungus Candida albicans , which together account for nearly 150,000 infections and tens of thousands of deaths in the United States every year.13 14 The researchers found that even very small concentrations of the peptide not only killed significant amounts of these pathogens but also reduced their viability

Unlike regular sound machines, these devices are only worn occasionally

A clinical trial comparing GHK-Cu to Matrixyl 3000 (one of the most popular anti-aging peptide ingredients in skincare) showed GHK-Cu produced a 55.8% reduction in wrinkle volume compared to control and a 31.6% reduction compared to Matrixyl 3000 itself