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GHK-Cu

Revitalize skin, hair, and connective tissue.

Human clinical evidenceStudied in one or more human clinical trials, but not FDA-approved for this use. Evidence quality and trial size vary — see sources.

For research purposes only. These products are not intended to diagnose, treat, cure, or prevent any disease. By purchasing, you confirm these products will be used for legitimate research purposes.

About GHK-Cu

GHK-Cu is a naturally occurring copper peptide found in human plasma, saliva, and urine. It declines with age and has been shown to promote collagen synthesis, skin remodeling, and antioxidant activity. It is one of the most studied peptides for anti-aging applications.

Key Benefits

  • Stimulates collagen and elastin production
  • Improves skin firmness and elasticity
  • Promotes wound healing
  • Supports hair follicle health

Set a goal (top of the page) to see how GHK-Cu scores against it, and what the better-evidenced alternatives are.

Category Ratings

Muscle & Strength
Minimal
Fat Loss
N/A
Recovery
Good
Skin & Anti-Aging
Very Good
Sleep
N/A
Cognitive
Minimal
Immune
Minimal
Longevity
Mild
Bone & Hormonal
N/A

How to Take

Topical / Cream

Apply a thin layer to clean, dry skin on face, neck, or target area

Injection

Subcutaneous injection into abdomen or upper arm, 3 times per week

Common Side Effects

  • Skin redness (topical)
  • Mild irritation at injection site
  • Temporary skin sensitivity

Legal & Regulatory Status

Research use only; not an approved drug. Widely used as a cosmetic skincare ingredient. Human evidence is largely topical/cosmetic.

Safety and regulatory details for FDA-approved compounds are drawn from the official product label via openFDA; clinical development status reflects ClinicalTrials.gov. This information is provided for research reference, is not endorsed by the FDA, and may not be complete or current.

Research & Sources

Human clinical evidenceStudied in one or more human clinical trials, but not FDA-approved for this use. Evidence quality and trial size vary — see sources.

Sources are selected for reliability (peer-reviewed literature, openFDA, ClinicalTrials.gov) but this is a research summary, not medical advice, and may not be exhaustive.

GHK-Cu

Prices at quality-checked sources · as of August 2026 (8 days ago)

Observed on each vendor’s public listing — see how these sources are vetted. Peptide Concierge doesn’t sell peptides and isn’t affiliated with any vendor; confirm current pricing at the source.

CategorySkin
Formstopical, injectable

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