GHK-Cu vs KPV
Both GHK-Cu and KPV are used for skin. Here's how their evidence, dosing, and regulatory status actually compare.
GHK-Cu
Evidence B+Copper Peptide GHK-Cu
A naturally occurring copper-binding tripeptide that modulates 4,000+ human genes. The most studied peptide for skin rejuvenation with both preclinical and clinical topical evidence.
View full GHK-Cu profile →KPV
Evidence C+α-MSH Tripeptide KPV
The C-terminal tripeptide of α-MSH with documented anti-inflammatory activity in IBD and dermatitis preclinical models. Frequently delivered orally and topically.
View full KPV profile →Side-by-Side
| Attribute | GHK-Cu | KPV |
|---|---|---|
| Evidence Grade | B+ | C+ |
| FDA Status | Not FDA-approved — available as cosmetic ingredient and research compound | Not FDA-approved — research peptide |
| Typical Dose | 1–2 mg daily SC or topical (5 days on / 2 off) | 200–500 mcg orally or topical (research only) |
| Clinics Indexed | 145 | 26 |
| Categories | anti-aging, skin, hair | anti-inflammatory, gut-health, skin |
Key reported benefits — GHK-Cu
- ✓Collagen synthesis
- ✓Wrinkle reduction
- ✓Hair growth
- ✓Wound healing
Key reported benefits — KPV
- ✓GI inflammation reduction
- ✓Skin inflammation reduction
- ✓Antimicrobial activity
Educational use only
This comparison is for educational purposes and not medical advice. Peptide selection should be made with a licensed medical professional based on your individual goals, health history, and current evidence quality.