Melanotan II Dosage, Protocol, and Reconstitution Guide
Melanotan II / MT2
Melanotan II is a synthetic analog of alpha-MSH studied for its ability to stimulate melanin production in the skin. It is commonly discussed for tanning support, UV response, and pigmentation enhancement.
How It Works
Melanocortin Receptor Activation → Melanin Production ↑ → Skin Pigmentation ↑
Melanotan II binds to melanocortin receptors, primarily MC1R, stimulating melanin production. This increases pigmentation and may enhance the skin’s response to UV exposure.
Standard / Loading Protocol
10 mg vial + 3.0 mL BAC Water → 1 unit = 33 mcg → Gradual Loading Then Maintenance
Standard Setup
Vial10 mg
Water3.0 mL
Concentration3.33 mg/mL
Conversion1 unit = 33 mcg
Days 1–3
Intro
Dose100 mcg
Units3 units
Volume0.03 mL
Days 4–7
Build
Dose200 mcg
Units6 units
Volume0.06 mL
Week 2+
Standard Range
Dose250–500 mcg
Units8–15 units
Volume0.08–0.15 mL
Simple approach:
Start low to reduce early side effects, then build gradually. Most people use a short daily loading phase before dropping to maintenance use.
Start low to reduce early side effects, then build gradually. Most people use a short daily loading phase before dropping to maintenance use.
Advanced Protocol
Higher Dose Range → Stronger Pigmentation Push → More Side Effect Risk
Higher Range
Dose500–1000 mcg
Important:
Higher doses are sometimes discussed, but they also tend to increase nausea, flushing, fatigue, and pigment-related side effects without always giving proportionally better results.
Higher doses are sometimes discussed, but they also tend to increase nausea, flushing, fatigue, and pigment-related side effects without always giving proportionally better results.
How to Use MT2 (Cycle, Timing & Injection)
FrequencyOnce daily during loading
Maintenance1–2x weekly
Cycle Length2–4 weeks loading, then maintenance
Injection TypeSubcutaneous
Best TimeOften evening
Best Time to Take
Evening use is commonly preferred because it may make early nausea or flushing easier to tolerate.
Some people use it before planned UV exposure, but starting low and keeping the schedule consistent usually matters more than exact timing.
Avoid rushing dose increases because side effects often rise faster than the tanning response.
Where to Inject
Subcutaneous injection is the standard route discussed.
Abdomen is the most common site.
Upper arm or thigh may also be used.
Rotate sites regularly to reduce irritation.
When to Use
During a short pigmentation loading phase
When UV response or tanning support is the main goal
During maintenance phases after target pigmentation is reached
With careful monitoring of freckles, moles, and dark spots
UV Exposure Context
UV exposure is commonly paired during the loading phase because pigmentation response is cumulative.
The tanning response builds over time, so more is not always better.
Skin changes should be monitored closely, especially mole or freckle darkening.
Simple Strategy
Start Low
MT2 is usually best approached slowly because nausea, flushing, yawning, appetite changes, and pigment changes can show up early.
Goal-Based Use
Use it in phases: load until the desired response begins, then reduce to maintenance or stop rather than continuing aggressively.
Reconstitution & Dosing (10 mg Vial)
Reconstitution & Dosing
Vial10 mg
Water3.0 mL
Concentration3.33 mg/mL
Conversion1 unit = 33 mcg
Dose Reference
3 units = 100 mcg
6 units = 200 mcg
8 units = about 250 mcg
15 units = about 500 mcg
30 units = about 1,000 mcg
Reconstitution Steps
Draw 3.0 mL bacteriostatic water
Inject slowly down vial wall
Gently swirl, do not shake
Refrigerate immediately
Storage & Shelf Life
Storage & Shelf Life
Lyophilized (unmixed)
Refrigerated (2–8°C): ~12–24 months
Frozen (−20°C): up to ~2–3 years
Store sealed, dry, and protected from light
Reconstituted (mixed)
Refrigerated (2–8°C): about 30 days typical use window
Do not freeze after mixing
Protect from light and avoid repeated temperature changes
Best Practice
Handling
Keep the vial cold, minimize unnecessary handling, and use clean technique every time the vial is accessed.
Visual Check
If the solution becomes cloudy, discolored, or contains floating particles, it is safer not to continue using it.
Time Between Cycles
Load → Maintain → Take Time Off → Restart if Needed
Standard Time Between Cycles
Loading Phase2–4 weeks
Maintenance1–2x weekly as needed
Time Off2–4 weeks
Why take a break?
Melanotan II effects build over time, but pigmentation and side effects can also accumulate. Taking time off lets the body reset and gives you a chance to reassess skin changes before starting another phase.
Melanotan II effects build over time, but pigmentation and side effects can also accumulate. Taking time off lets the body reset and gives you a chance to reassess skin changes before starting another phase.
Best Ways to Structure It
Option 12–4 weeks loading, then 2–4 weeks off
Best simple structure for shorter use
Option 2Loading, then low weekly maintenance
Most common if results are already established
Option 3Stop after target pigmentation is reached
Then restart only when fading becomes noticeable
When to Stop Sooner
Side effects become more noticeable than benefits
Freckles or moles darken more than expected
Desired pigmentation has already been reached
Monitoring During Use
Skin pigmentation changes
Freckle or dark spot development
UV response
Tolerance to dose
Benefits
Increased skin pigmentation
May reduce need for excessive UV exposure
More even tanning response
Potential libido increase (reported)
Potential Side Effects
Nausea (most common early)
Facial flushing
Freckling or mole darkening
Appetite suppression
Fatigue or yawning
Stacking Strategies
Skin Support: Melanotan II + GHK-Cu
Recovery: Melanotan II + BPC-157
Advanced: Combine with sun exposure protocol
Important Notes
Start low to minimize nausea
Effects are cumulative over time
Monitor changes in moles or skin pigmentation
UV exposure still plays a role in results
Important Disclaimer
Melanotan II is not FDA-approved and is intended for research purposes only.
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