What is GHK-Cu?
An introduction to GHK-Cu (copper peptide), the naturally occurring peptide used in skincare. Learn about its evidence for wound healing and anti-aging benefits.
What is GHK-Cu?
GHK-Cu (glycyl-L-histidyl-L-lysine with copper) is a naturally occurring peptide in human blood that’s widely used in skincare products for wound healing and anti-aging benefits.
Key Facts
| Fact | Detail |
|---|---|
| Natural | Yes - found in human blood |
| Primary Use | Topical skincare |
| Evidence Level | Moderate (for topical use) |
| Availability | Legal in cosmetics |
How Does It Work?
GHK-Cu helps with:
- Stimulating collagen production
- Promoting wound healing
- Supporting skin regeneration
- Providing antioxidant benefits (via copper)
Where Is It Found?
GHK-Cu is a common ingredient in:
- Anti-aging serums and creams
- Post-procedure skincare
- Wound healing products
- Hair growth formulations
Evidence Quality
Unlike many peptides, GHK-Cu has reasonable evidence for its topical uses:
- Multiple human studies on wound healing
- Cosmetic trials showing skin improvement
- Comparable to retinol and vitamin C in some studies
What to Look For
When buying GHK-Cu products:
- Look for reputable brands
- Check concentration (typically 0.01-1%)
- Consider formulation stability
- Copper peptides need proper formulation
This guide is for educational purposes only.
Sources & Citations
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Disclaimer: This article is for educational purposes only and does not constitute medical advice. The information presented is based on current research but should not be used for diagnosis, treatment, or prevention of any disease. Always consult a qualified healthcare provider before making health decisions.