Melanotan I
ResearchA linear analog of alpha-MSH studied for skin tanning and photoprotection. More selective and considered lower risk than Melanotan II for sexual side effects.
Tanning & PigmentationSkin & Anti-Aging
Half Life
~1 hour
Time to Results
2-4 weeks
Administration
SubQ injection
🐾 Griffin's Research Scorecard
Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection FrequencyDaily during loading phase
Cost$$$
🐾 Griffin Says...
The more selective sibling of Melanotan II. Without the MC4R agonism, you get tanning without the sexual arousal side effect. Preferred by researchers who want only the pigmentation effect. Same mole-monitoring caution applies.
Benefits
- Skin tanning
- UV protection improvement
- Photoprotection research
- Reduced sexual side effects vs MT-II
Best For
- Tanning research
- Photoprotection research
- Skin pigmentation
Body Systems
Integumentary (Skin)
Mechanisms of Action
- Selective melanocortin 1 receptor agonist (MC1R)
- Stimulates melanin production
- More selective than Melanotan II
Side Effects
| Effect | Frequency | Severity |
|---|---|---|
| Nausea | Common | Mild |
| Facial flushing | Common | Mild |
| Mole darkening | Common | Moderate - monitor |
Contraindications
Personal or family history of melanoma, significant pre-existing moles
Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.
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