Source comparison
Melanotan Nasal Spray: MT-I vs MT-II Comparison
Receptor selectivity MC1R selective MC1R + MC3R + MC4R + MC5R Primary effect Tanning (eumelanin only) Tanning + libido + appetite effects FDA/regulatory status EU-approved as Scenesse (EPP) Not approved Side effects Minimal (selective) More common (non-selecti
This comparison does not assign a generated winner or score.
- Receptor selectivity
- MC1R selective
- MC1R + MC3R + MC4R + MC5R
- Primary effect
- Tanning (eumelanin only)
- Tanning + libido + appetite effects
- FDA/regulatory status
- EU-approved as Scenesse (EPP)
- Not approved
- Side effects
- Minimal (selective)
- More common (non-selective)
- Nausea risk
- Low
- Moderate (especially loading phase)
- Libido effects
- Negligible
- Documented (MC4R activation)
- Mole/freckle darkening
- Possible
- More pronounced
- Best for
- Tanning-only research, fair skin types
- Multi-effect melanocortin research
- PSPeptides nasal spray
- Melanotan I Nasal Spray
- Melanotan II Nasal Spray