Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board)
GHK Peptide: Evidence Summary
Evidence summary for GHK Peptide across studied indications. Each indication is graded using our evidence tier system based on the quality and quantity of available clinical data.
Back to GHK Peptide overview| Indication | Evidence Tier | Trial Count | Summary |
|---|---|---|---|
| Gene expression modulation | Tier D | 0 | In vitro data only — most studies used GHK-Cu, not GHK alone |
| Skin aging/wound healing | Tier D | 0 | No copper-free GHK human trials — all data from GHK-Cu studies |
| Anti-inflammatory effects | Tier D | 0 | Cell culture data only — not tested in humans |
References (3)
- GHK-Cu and gene expression modulation in skin — Pickart L, Vasquez-Soltero JM, Margolina A . Cosmetics (2017)
- GHK peptide as a natural modulator of multiple cellular pathways — Pickart L, Vasquez-Soltero JM, Margolina A . International Journal of Molecular Sciences (2018)
- Role of copper peptide GHK-Cu in skin regeneration — Hussain M, et al. . Journal of Drugs in Dermatology (2015)