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Melanotan II

Melanotan II is a synthetic cyclic peptide that acts on melanocortin receptors. It has been researched in pigmentation and related pathways but is not approved for cosmetic tanning use.

By The Peptides Codex Editorial TeamReviewed July 10, 2026
Length
7 aa
Class
Research peptide
Function
Melanocortin receptor agonist (research)
Context
Research compound (not approved for tanning/cosmetic use)

High search volume; also high regulatory and safety scrutiny.

Also known as: MT-2 · Melanotan 2 · MT2

Part of the Cosmetic & skin peptides cluster

Overview

Melanotan II is a synthetic cyclic peptide that acts on melanocortin receptors. It has been researched in pigmentation and related pathways but is not approved for cosmetic tanning use.

Source & context

Biological / chemical source: Synthetic cyclic peptide

Primary research or clinical context: Research compound (not approved for tanning/cosmetic use)

Safety and regulation

Health authorities have warned against unregulated melanotan products sold online. Educational coverage here focuses on receptor biology and chemical identity, not use instructions.

FAQ about Melanotan II

What is Melanotan II?+

Melanotan II is a synthetic cyclic peptide that acts on melanocortin receptors. It has been researched in pigmentation and related pathways but is not approved for cosmetic tanning use.

Is Melanotan II an approved medicine?+

Melanotan II is discussed here as a research / educational topic. Research compound (not approved for tanning/cosmetic use). This is not medical advice.

What is the typical length of Melanotan II?+

Melanotan II is commonly described as approximately 7 amino acids (Research peptide).

Related peptides

References & further reading

  1. 1.Wikipedia — Melanotan II
  2. 2.PubChem — compound summary for Melanotan II (CID 92432)
Disclaimer: Educational content only. Not medical advice. Not instructions for human use. Research peptides and unapproved products may be restricted or illegal to market for human consumption in your jurisdiction. Consult qualified professionals and applicable law.
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