Melanotan II is a synthetic peptide that stimulates melanocortin receptors. It is used experimentally for:

Main Effects:
* Accelerated and prolonged tanning (with slight sun exposure) .
* Increased libido (common side effect) .
* Reduced appetite (in some cases) .

Common Side Effects:
* Mild nausea (frequent in the first applications) .
* Spontaneous erections (in men) .
* Darkening of moles and freckles .
* Risk of hyperpigmentation if used excessively .

Common Protocol (Experimental):
* Loading Phase (5-10 days): Dose: 250 to 500 mcg per day. Route: Subcutaneous (at night, to avoid nausea during the day) .
* Maintenance Phase: Dose: 500 mcg to 1 mg, 2-3x per week .

Tips:
* Start with a low dose (250 mcg) to test tolerance .
* Avoid intense sun exposure in the first days to prevent skin spots.