GHK-Cu
Symbol Gh · MW 402 Da
Copper-binding tripeptide widely used in skin remodeling and hair products.
- Discovered
- 1973
- Half-life
- 1 hour
- Approval
- Cosmetic ingredient
Reported effects
- Collagen synthesis
- Skin renewal
- Hair follicle support
Overview
GHK-Cu is one of the most recognized copper peptides in skincare and regenerative cosmetic research. It is a naturally occurring copper complex associated with collagen production, wound repair, inflammation balance, and skin remodeling. In skincare, GHK-Cu is commonly used to improve the appearance of fine lines, wrinkles, skin firmness, elasticity, and texture. It is also popular in hair and scalp formulas, although its most common use is in anti-aging skin products. As a copper peptide, GHK-Cu is valued for its ability to support visible skin repair, smoother texture, and overall skin rejuvenation.
How it's taken
- Typical Administration
- Topical / Injectable
- Typical Dosage
- Topical cosmetic concentration commonly ranges from 1-2mg.
- Typical Frequency
- Topical once or twice daily; injectable frequency is not standardized
Research sources
Source links included from peer-reviewed literature and trusted medical journal records for this peptide.
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For educational purposes only. Many peptides shown are research compounds and not approved for human use in all jurisdictions.