GHK-Cu vs Melanotan Ii for skin & hair
Short answer: For skin & hair, users rate them about the same: 87% report improvement with GHK-Cu (202 reports) and 88% with Melanotan Ii (84 reports).
GHK-Cu has 0 meta-analyses and 1 randomized trials on PubMed; Melanotan Ii has 1 and 1.
Based on 496 reports about GHK-Cu and 186 about Melanotan Ii. Not medical advice.
| GHK-Cu Peptide | Melanotan Ii Peptide | |
|---|---|---|
| Users say it helped | 62%helped223 reports · high confidence | 60%helped115 reports · high confidence |
| Verdict | Mostly positive | Mixed |
| Research | CResearch: Limited | BResearch: Moderate |
| Meta-analyses / RCTs | 0 / 1 | 1 / 1 |
| Mainly used for | ||
| Skin & hair % reporting improvement | 87% (202) | 88% (84) |
| Libido % reporting improvement | — | 96% (48) |
| Pain & inflammation % reporting improvement | 90% (31) | — |
| Recovery % reporting improvement | 96% (27) | — |
| Weight loss % reporting improvement | 88% (8) | 100% (12) |
| Common side effects | injection site, redness, stinging, injection pain | nausea, flushing, freckles, 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 IiFull Melanotan Ii profile →
Latest review conclusion
Almost all studies are in the preclinical phase. There are currently no effective clinical treatments for MC4R-deficient obese patients, although MC4R agonists are being developed and are entering phase I and II trials.
Int J Obes (Lond), 2014 ↗What a user said
“I've found that getting sun within 3-12 hours will produce the desired result.”
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