SKIN BIOLOGY

Honest Guides & Articles

Free, citation-backed writing on peptides and skin — what the research actually shows, and what the hype leaves out. No "buy this, take that." Just the science, sourced.

• What Are Peptides? A Plain, Honest Guide →
  Start here: what peptides actually are, how they're used in skincare vs. injected, and why the word gets thrown around so loosely.
• Are Peptides Safe? Topical vs. Injectable, Honestly →
  The honest, sourced breakdown of the two very different peptide "worlds" — and which ones actually carry real risk.
• Do Copper Peptides Actually Work? →
  An honest evidence review from researchers, an independent dermatologist, and a 2026 meta-analysis — what copper peptides can and can't do.
• How to Use a Copper Peptide Serum →
  A simple, honest routine — when to apply it, what to pair it with, what to keep separate, and realistic expectations.