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Informational only

Listed as an EU cosmetic ingredient, not a medicine or a supplement for ingestion.

Cosmetic ingredient (EU)aka GHK, Glycyl-histidyl-lysine

Tripeptide-1 — Profile & Reference (2026)

Last updated 2026-06-30

Tripeptide-1 (also known as GHK) is a peptide catalogued under Skin. It is described as: Copper carrier; regeneration. Neutral reference entry; EU status: EU cosmetic ingredient.

Mechanism / target

Copper carrier; regeneration.

Source: en.wikipedia.org ↗

Full sourced guide in progress

We publish a complete, primary-source-cited guide only once we can verify at least five PubMed/clinical references. This profile is intentionally a concise, sourced reference entry until then — we do not pad pages with unverified citations. The quick facts and source link above reflect what we can state reliably today.

This article is for educational and research purposes only. Peptides discussed here are not approved for human consumption by the FDA, EMA, or equivalent regulators outside of specific clinical contexts. Always consult a licensed medical professional before any therapeutic use.