Direct comparison
GHK-Cu vs AHK-Cu
How GHK-Cu and AHK-Cu compare on mechanism, evidence and legal status — factual, no recommendations.
| GHK-Cu | AHK-Cu | |
|---|---|---|
| Class | Copper peptide | Copper peptide |
| Evidence level | early clinical studies | preclinical |
| Legal status (DE) | unclassified | not approved |
| WADA-listed | No | No |
| Molar mass | 400.9 Da | — |
| Studies cited | 3 | 1 |
| Research areas | Skin & hair, Anti-aging, Recovery | Skin & hair, Recovery |
GHK-Cu
GHK-Cu (glycyl-L-histidyl-L-lysine with a copper(II) complex) is a naturally occurring tripeptide detected in human plasma, saliva and urine.
Full GHK-Cu profileAHK-Cu
AHK-Cu is a copper-binding tripeptide (alanine-histidine-lysine) and belongs to the family of cosmetic copper peptides, similar to the better-known GHK-Cu.
Full AHK-Cu profileImportant notice
This site is intended solely for factual, scientifically oriented information about peptides. It does not constitute medical advice, does not replace a consultation with a doctor and contains no recommendations for use in humans.
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