Ingredient or product comparison
AHK-Cu vs GHK-Cu: Head-to-Head Comparison
This table consolidates the key differences across every relevant parameter. Amino acid sequence Gly-His-Lys-Cu2+ Ala-His-Lys-Cu2+ Molecular weight ~403 Da ~417 Da Natural (human plasma) Primary target Skin cells, fibroblasts, immune cells Dermal papilla cells
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- This table consolidates the key differences across every relevant parameter.
- Amino acid sequence
- Gly-His-Lys-Cu2+
- Ala-His-Lys-Cu2+
- Molecular weight
- ~403 Da
- ~417 Da
- Natural (human plasma)
- Primary target
- Skin cells, fibroblasts, immune cells
- Dermal papilla cells (hair follicles)
- Genes modulated
- 4,000+
- Limited data
- Collagen stimulation
- Strong (types I and III)
- Weak
- Wound healing
- Extensively documented
- Not documented
- Hair follicle elongation
- Moderate
- Strong (Pyo 2007)
- DPC proliferation
- Superior (Pyo 2007)
- DHT reduction
- Yes (copper ion mechanism)
- Anti-inflammatory
- Strong
- ~15 years, limited studies
- Skin anti-aging, wound healing, scars
- Regulatory status
- Research compound