Melanotan II research pen
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In stockResearch use only

Aesthetics & Regenerative • Hormonal & Reproductive

Melanotan II

Melanotan II — α-MSH analog for melanogenesis and libido research.

$88.16$110.20Save 20%
Size

1 pen for complete course · 1 pen lasts ~96 days

1
Suggested research dosage
Dose: 250 μg to 500 μg 3 times/week. Units: 5-10 units 3 times/week.
Course
Week 1-2: 3x8 units, week 3: 2x8 units, week 4: 1x8 units, week 5-6: as desired: maintain or pause based on tanning goal.
  • ✓ ≥99% purity (HPLC)
  • ✓ Batch-matched COA
  • ✓ Cold-chain 2–8°C
  • ✓ Tracked delivery
  • ✓ Tamper-evident
  • ✓ EU + US shipping
Overview

What is Melanotan II?

Melanotan II is a synthetic non-selective melanocortin receptor agonist. Activation of MC1R drives eumelanin production; MC4R activation modulates libido and appetite.

Each PeptidePen is filled in a controlled cleanroom and sealed with tamper-evident packaging. Batch documentation includes identity confirmation, HPLC purity analysis and concentration verification. Strictly for in-vitro research — not for human or veterinary use.

Research library

Go deeper on Melanotan II

A full breakdown of mechanism, clinical findings, dosing references and safety signals — for researchers who want the complete picture.

What is Melanotan II?

Melanotan II is a synthetic peptide that replicates the function of melanocyte-stimulating hormone (MSH), playing a role in enhancing skin pigmentation and addressing certain types of sexual dysfunction. By stimulating melanin production, it helps the skin tan more easily when exposed to sunlight. — It also activates receptors in the brain that influence sexual desire, supporting improved libido and sexual function. As a result, Melanotan II is widely used both for its cosmetic tanning effects and its potential benefits in sexual health.

Continue reading the full research brief

Benefits of Melanotan II

Purchasing Melanotan II offers a variety of benefits: — • Enhances melanin production in the skin, aiding in faster and deeper tanning during sun exposure — • Improves sexual health by increasing libido and supporting erectile function — • Provides some protection against UV damage and sunburn due to enhanced pigmentation — • Elevates mood and promotes well-being by increasing endorphin levels — • Helps reduce visible signs of aging by limiting UV-related skin damage

Clinical Trials and Findings

Multiple studies support the efficacy of Melanotan II: — • In an Australian trial, 95% of users achieved lasting skin darkening after six weeks of consistent use — • Additional research showed a significant improvement in sexual function for both men and women dealing with libido-related issues

These clinical results underscore Melanotan II's effectiveness in both pigmentation and sexual wellness applications.

Dosage and Application of Melanotan II (10 mg)

To achieve the best results, consistent and accurate usage is key: — • Typical dose: 250 µg to 500 µg, applied three times per week — • Units: 5 to 10 units per session — • Application guidelines: Set the pen dial to 5–10 units. Apply to the abdominal region or front of the thigh. Hold the pen in place for 10 seconds, and alternate the application area regularly — • Pen capacity: One pen contains 200 units (50 µg per unit) — • Duration: A 10 mg pen typically lasts 2–3 months, depending on the dosage

Unit-to-microgram guide: — ○ 1 unit = 50 µg — ○ 4 units = 200 µg — ○ 5 units = 250 µg — ○ 6 units = 300 µg — ○ 8 units = 400 µg — ○ 10 units = 500 µg

Example Melanotan Tanning Cycle

• Week 1–2: 3 times per week, 8 units per session — • Week 3: 2 times per week, 8 units per session — • Week 4: 1 time per week, 8 units per session — • Weeks 5 and beyond: Adjust based on desired tanning results

Peptides Often Combined with Melanotan II

To further enhance results, Melanotan II can be paired with: — • PT-141 (Bremelanotide): Designed to boost sexual desire in both men and women. In combination with Melanotan II, it may enhance libido and support more consistent sexual function

This pairing is especially popular for users focusing on both aesthetic and sexual health benefits.

Possible Side Effects

Although Melanotan II is generally well tolerated, some users may experience: — • Headaches — • Nausea — • Mild increases in blood pressure — • Muscle discomfort

These effects are infrequent and often linked to excessive use. Adhering to the suggested dosing schedule helps reduce the likelihood of adverse reactions.

Research highlights

Why researchers choose Melanotan II

  • 01

    Stimulates skin pigmentation

  • 02

    Modulates libido (MC4R)

  • 03

    Mild appetite suppression

Specifications

Specifications

Form

Pre-mixed pen

Purity

≥99% HPLC

Storage

2–8°C

Shipping

Cold-chain

COA

Batch-matched

Reported in research

Known side-effect signals

  • Nausea early-cycle
  • Facial flushing
  • Mole darkening
From order to lab bench

Built for trust at every step

  1. 01

    Place your order

    Select pen size and shipping region at checkout.

  2. 02

    Verify the COA

    Each batch is HPLC-assayed and documented.

  3. 03

    Cold-chain ships

    Insulated, temperature-logged delivery.

  4. 04

    Run your protocol

    Reference dosing and references included.

FAQ

Frequently asked questions

Common questions about Melanotan II and PeptidePen orders.

Is Melanotan II for human use?+

No. All PeptidePen products are strictly for in-vitro laboratory research. Not intended for human or veterinary use.

How is the COA provided?+

Each pen ships with a batch-matched certificate of analysis. A digital copy is also available on request via your order confirmation.

How is shipping handled?+

Orders ship cold-chain (2–8°C) with insulated packaging, ice packs and a temperature log. Tracked delivery in the US and EU.

Can I order in bulk for my lab?+

Yes. Contact our team for institutional pricing, custom concentrations and recurring shipments.

What's your refund policy?+

Damaged or off-spec pens are replaced free of charge. Contact support within 7 days of delivery.

Ready to run Melanotan II in your next study?

Pre-mixed, batch-assayed, cold-chain shipped — order before 2pm for same-day dispatch.

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