Peptalk: Peptides Unpacked

#46 The Tanning Peptide With A Surprise Side Effect

July 6, 2026·21 min
Episode Description from the Publisher

The “Barbie peptide” might be the most misleading nickname in wellness. We’re talking about Melanotan-2 and yes, it can deepen pigmentation, but the real conversation is about skin biology, UV protection, and what it means to make a decision without robust long-term human data. We kick off this episode with a relatable reality for redheads (like Dr. Kylie) and other fair-skinned listeners: burning fast, never tanning, being told to “just wear more sunscreen,” and na...

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