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Peptide

GHK-Cu (Copper Peptide)

01 / OVERVIEW

What this compound does

WHAT IT DOES

GHK-Cu is a copper-carrying peptide used in skincare to firm skin, smooth wrinkles, and help wounds heal. It is one of the more proven cosmetic peptides.

KEY BENEFITS
Boosts collagen and elastin
Improves skin firmness and texture
Supports wound healing and hair follicles
BEST FOR
  • • People wanting evidence-based anti-aging skincare
  • • Topical hair-support routines
WHAT TO EXPECT

Used topically (serums) or in cosmetic injectables; visible skin changes over weeks.

WHO SHOULD AVOID THIS
  • • People with copper allergy
  • • Those layering many strong actives (irritation risk)
MYTHS & FACTS
Myth:
Fact:
Myth:
Fact:
At a glance
Typical dose
Topical 0.05-2% serum daily; cosmetic use
Evidence
—
Studies indexed2
How it's made

Glycyl-L-histidyl-L-lysine synthesised and complexed with copper(II); formulated into serums.

03 / DOSAGE

How much, when

MAINTENANCE

Topical 0.05-2% serum daily; cosmetic use

apply to clean skin

TIMING

GHK-Cu (Copper Peptide) — Evening dose

Standard dosing.

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 25382603

    Skin remodelling and collagen

    GHK-Cu stimulates collagen, elastin, and glycosaminoglycan synthesis and improves skin appearance in controlled cosmetic studies.

    B
  • PMID: 25664619

    Wound healing

    Promotes angiogenesis and tissue repair in wound-healing models.

    B
  • PMID 25382603 · 2015review

    GHK-Cu peptide in skin remodelling and anti-aging

    Improved skin metrics

    B
04 / INTERACTIONS

Medicine interactions

  • Topical retinoids / acids· dermatologic

    Combined actives can increase irritation.

    → Alternate application or space usage.

    LOW

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.