The ingredient, explained
Tripeptide-1
A cell-culture study separately examined free GHK, also called tripeptide-1.
Ingredient guide
What it is and what it does
A synthetic tripeptide.
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Peptide
- An ingredient made from linked amino-acid units. The peptide name identifies a particular material, not a shared clinical effect for all peptides.
Function definitions: European Commission: Cosmetic peptide nomenclature ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Laboratory research
Free GHK reduced a stimulated fibrosis-related signaling response.
What this does not tell us
This is an experimental cell endpoint, not demonstrated scar prevention or anti-aging efficacy in people.
Sources for this summary. PubMed 25745767 ↗
Research review checked Oct 1, 2026
Read exact local candidate abstracts first; select identity-relevant papers; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Laboratory research
Effect of GLY-HIS-LYS and its copper complex on TGF-β secretion in normal human dermal fibroblasts. ↗
Acta poloniae pharmaceutica · 2014
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
No published products are linked yet.
Names and identifiers
Registry identity
A synthetic tripeptide.
- INCI name on ingredient lists
- TRIPEPTIDE-1
Other recorded names (1)
- ghk
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026