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Its a synthetic peptide originally derived from a protein found in your gastric juiceyes, your stomach
Many of these are questions that remain unanswered in human research
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
Insulin is not a trend
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