CosmeticModerate Evidence

GHK-Cu

Also known as: Copper Peptide, GHK-Copper, Glycyl-L-histidyl-L-lysine copper

Tripeptide-copper complex that stimulates collagen synthesis, wound healing, and skin regeneration.

Benefits

7

Conditions

6

Evidence

Multiple in vitro and animal studies, limited human clinical trials+ studies

Source

Naturally occurring tripeptide, synthesized for therapeutic use

Overview

Tripeptide-copper complex that stimulates collagen synthesis, wound healing, and skin regeneration.

Mechanism of Action

Binds and delivers copper(II) ions to cells for enzymatic processes, activates fibroblasts to produce type I/III collagen and elastin, stimulates MMPs and TIMPs for matrix remodeling, reduces inflammation via cytokine modulation, blocks ferritin iron release to prevent oxidative damage.

Key Benefits

  • Increases collagen and elastin production
  • Accelerates wound healing
  • Reduces wrinkles and fine lines
  • Improves skin firmness and elasticity
  • Promotes hair follicle growth
  • Antioxidant and anti-inflammatory effects
  • Skin penetration for deep tissue repair

Clinical Applications

Aging skin and wrinklesWounds and scarsHair lossSkin laxityPhotodamageInflammatory skin conditions

Dosing Guidelines

Topical cream/serum

Typical Dose0.5-3% concentration
FrequencyOnce or twice daily
DurationOngoing for anti-aging maintenance

Subcutaneous injection

Typical Dose1-3 mg
Frequency2-3 times per week
Duration8-12 weeks

* Dosing should be individualized. Always consult with a qualified healthcare practitioner.

Research & Evidence

Evidence Level
Moderate
Studies

Multiple in vitro and animal studies, limited human clinical trials

Summary

Well-established mechanisms for collagen synthesis and wound healing in preclinical models. Human cosmetic studies show improvements in skin texture and firmness.

Safety Information

Potential Side Effects

  • Mild skin irritation (topical)
  • Blue/green discoloration at injection sites
  • Headache

Contraindications

  • Wilson's disease
  • Copper allergy
  • Pregnancy

Interactions

  • Avoid with other copper-containing supplements

Quick Facts

CategoryCosmetic
SourceNaturally occurring tripeptide, synthesized for therapeutic use
Legal StatusAvailable as cosmetic ingredient and research compound
Gabriel Brain Score
78/ 100

Source Your Protocol

Our preferred peptide partner offers lab-tested, COA-verified peptides with optional physician oversight. Sourced from US-regulated facilities.