Uploaded August 2026 | Updated September 2026, 8 hours ago

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🧪 #sponsored When we completed our copper peptides deep dive, the GHK-Cu world still felt pretty mysterious. So what better way to dive deeper than to partner with brands like @rejuall_official and ask some questions about their PDRN and copper peptide serum!

🗒️ One thing that got us particularly excited? They've actually done some work to characterize their PDRN source and dial in the concentration. And in the world of PDRN, we're always asking for more specificity.

PS. We won't spoil all the juicy details here. The full conversation is on the latest Chemist Confessions podcast out now!