Peptilex
Free guides · GLOW

GHK-Cu & the Skin Peptides

Copper peptide, Matrixyl, Argireline and collagen: what the skin studies found.

Inside the guide

  • The four kinds of skin peptides – and how to spot them on a label
  • GHK-Cu, Matrixyl, Argireline and collagen: what the studies measured
  • Real numbers: wound closure, wrinkle depth, hydration
  • The open questions: cream vs injection, peptides vs retinoids
Download the free PDF

PDF · 251 KB · no sign-up

Peptilex – The Peptide Encyclopedia, book cover

34 peptides. One book.

A science-based guide for beginners to 34 peptides: what each one does, the most exciting research results, and where it stands in 2026. Every profile: what it is, the most exciting results, key studies, risks and open questions.

KindlePaperbackHardcover