Skin & Aesthetic
Sexual Health
Limited
Research chemical

Melanotan II

Also known as MT-II · MT2

New

Reconstitution & dosing guide

10 mg vial — research phases, recon steps, and a live unit calculator.

Open guide

Available sizes & price

Catalog only

10mg x 10 vials

Melanotan Il · Not in current stock

$20 / vial

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Prices per vial · Research use only · Not medical advice.

Non-selective melanocortin agonist used illicitly for tanning and libido; notable side-effect profile.

How to picture it

Melanotan II acts on melanocortin receptors — a family that controls pigmentation plus several central pathways. Picture a broad master key on the melanocortin keychain: strong tanning/pigment signaling with spillover into appetite and arousal circuits. Research interest is high because one molecule talks to several themes at once; the educational caution is that breadth also means a serious side-effect profile to respect.

Research focus & benefits

  • Melanocortin pigmentation research
  • Central appetite and arousal pathway interest
  • Multi-receptor melanocortin biology studies

Benefits describe research interest and pathway rationale — not guaranteed outcomes or medical advice. Research use only.

Overview

Melanotan II is a synthetic cyclic heptapeptide that stimulates melanogenesis and can increase libido via melanocortin receptors. It is not an approved tanning drug. Risks include nausea, blood-pressure changes, freckling/mole darkening, and unknown long-term melanoma-related concerns.

Mechanism

Agonist at MC1R (pigmentation) and other melanocortin receptors including those tied to sexual function (overlap with PT-141 pathway).

Research uses

  • Melanocortin pharmacology
  • Sexual dysfunction research precursor history

Research dosing notes

Community loading protocols exist but are not medical guidance. Mole mapping and medical advice are critical before any pigmentation agent.

Open full reconstitution & dosing guide →

Half-life / kinetics

Hours; loading then maintenance discussed in communities

Common research routes

Subcutaneous injection
Intranasal

Reported considerations

  • Nausea and flushing
  • Spontaneous erections
  • Darkening of moles/freckles
  • Appetite changes
  • Blood pressure effects

Contraindications / cautions

  • Personal/family melanoma history
  • Uncontrolled cardiovascular disease
  • Pregnancy
  • Children

Common research stacks

  • PT-141 (related pathway)
  • Cautious UV exposure practices

Legal / access note

Not approved for tanning. Sale as a cosmetic tanning injection is illegal in many jurisdictions.