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Other Family
medium Confidence
Melanotan II
Last Updated: January 2025
Key Takeaways: Melanotan II
Melanotan II is a Other peptide primarily researched for:
- Increased skin pigmentation (tanning)
- Photoprotection
- Increased libido
Research Profile
Stability Class Standard
Confidence medium
Freezable? ✅ Yes
Melanotan II is a synthetic analog of the peptide hormone alpha-melanocyte-stimulating hormone (α-MSH). It is primarily known for its ability to induce skin tanning without excessive UV exposure.
Biological Activity
It acts as a non-selective agonist of the melanocortin receptors (MC1, MC3, MC4, MC5). MC1 activation is responsible for skin pigmentation, while MC4 activation influences sexual arousal and appetite suppression.
Handling
Melanotan II is sensitive to light. It is recommended to keep vials in an opaque container or wrapped in foil, even when refrigerated.
Key Benefits
- Increased skin pigmentation (tanning)
- Photoprotection
- Increased libido
- Appetite suppression
Potential Side Effects
- Nausea
- Flushing
- Increased mole pigmentation
- Spontaneous erections
Stability Profile
Fridge (2-8°C)
Stable for ~30 days (10% loss)
Room Temp
Moderate decay; loses potency over 2-3 weeks