If vitamin C, strong AHAs/BHAs, low-pH exfoliants, and retinols are part of your regular skincare routine, I wouldn't say you're not a candidate for copper peptides rather, you need to be more strategic about timing
A 2017 study (PMID: 28386432, same compilation paper) documented that GHK-Cu at nanomolar concentrations protected rat hippocampal neurons from amyloid-beta toxicity, the protein aggregate implicated in Alzheimers pathology
GHK-Cu goes into the deeper layers of skin, and stimulate the formation of vital proteins - collagen and elastin
They also ate a little less and moved around more
Antioxidants (Basel, Switzerland), 10(3), 364
This overlap between mitochondrial weakness and poor methylation explains much of the fatigue, mood instability, and sensory sensitivity often seen in autism