GHK-Cu vs Melanotan-2 for skin & hair
Short answer: For skin & hair, more users report improvement with Melanotan-2 — 100% of 5 reports, versus 87% of 193 for GHK-Cu.
GHK-Cu has 0 meta-analyses and 1 randomized trials on PubMed; the other has not been graded.
Based on 457 reports about GHK-Cu and 13 about Melanotan-2. Not medical advice.
| GHK-Cu Peptide | Melanotan-2 Peptide | |
|---|---|---|
| User score | 54 | 35 |
| Verdict | Mostly positive | Mostly positive |
| Positive of reports that state an outcome | 62% | 87% |
| Reports | 457 | 13 |
| Research | CResearch: Limited | Research pending |
| Meta-analyses / RCTs | 0 / 1 | — |
| Mainly used for | ||
| Weight loss % reporting improvement | 88% (8) | — |
| Focus % reporting improvement | 75% (4) | — |
| Sleep % reporting improvement | 80% (5) | — |
| Anxiety % reporting improvement | 50% (4) | — |
| Mood % reporting improvement | 86% (7) | — |
| Performance % reporting improvement | 100% (5) | — |
| Recovery % reporting improvement | 95% (21) | — |
| Pain & inflammation % reporting improvement | 89% (28) | — |
| Digestion % reporting improvement | 100% (4) | — |
| Libido % reporting improvement | — | 100% (7) |
| Heart & lipids % reporting improvement | 33% (3) | — |
| Skin & hair % reporting improvement | 87% (193) | 100% (5) |
| Immunity % reporting improvement | 100% (4) | — |
| Longevity % reporting improvement | 100% (2) | — |
| Common side effects | injection site, redness, stinging, injection pain | nausea, flushing, darkening, enlarged moles |
| Typical dose reported | Not listed | Not listed |
GHK-CuFull GHK-Cu profile →
What a user said
“Love it. 44 F. Totally helped even out my skin tone (Irish red cheeks), reduced wrinkles on my forehead and neck, thickened my hair which had been thinning, and grew my eye lashes.”
Melanotan-2Full Melanotan-2 profile →
What a user said
“MT2 has noticeably increased my libido, and honestly the biggest benefit for me has been the tan.”
Related comparisons
Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate