Peptides for Skin & Collagen: GHK-Cu and What It Does
GHK-Cu is one of the most-searched skincare peptides. Here's what the research shows for skin, collagen, and aging — and the difference between topical and injectable.
By Anthivera Editorial · Updated · 1 min read
Awaiting medical reviewDraft
Status: Stub. Outline is in place per
/docs/CONTENT-PLAN.md(Article 4).
What GHK-Cu is#
Section content TBD. The copper tripeptide, briefly.
Topical vs. injectable#
Section content TBD. The critical distinction — different evidence, different regulatory status (injectable was Category 2, under review as of May 2026).
What topical research shows#
Section content TBD. Skin firmness, fine lines, wound healing.
GHK-Cu vs. collagen peptides vs. retinoids#
Section content TBD. Where each fits in a routine.
How to read a product label#
Section content TBD. Concentration, formulation, stability.
Realistic expectations and timeline#
Section content TBD.