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Schulz et al., 2004

Exposure to heat, moisture, or light accelerates degradation
The effect of tripeptide-copper complex on healing of ischemic open wounds

Clinical evidence comes in tiers: mechanistic studies (does the molecule do what it should at the cellular level?), animal studies (does it produce the expected effect in a living organism?), and human trials (does it actually work on the people who will use it?)

After three decades and more than two hundred papers, there is still no published randomized controlled trial showing efficacy
