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            "q": "What is Matrixyl made of chemically?",
            "a": "Matrixyl refers to palmitoyl pentapeptide-4 (Pal-KTTKS); Matrixyl 3000 pairs palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7. Each couples a short amino acid chain to a 16-carbon palmitic acid tail to aid penetration through the lipid barrier."
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