Melanotan-1

Skin & hair Approved · EU & US Human trials

Also called Afamelanotide, Scenesse, MT-1

A 13-amino-acid synthetic version of alpha-melanocyte-stimulating hormone. It activates the MC1 receptor on pigment cells, increasing protective dark melanin in the skin without sun exposure.

Evidence at a glance

Evidence
Human trials — Studied in people
Status
An approved medicine in EU & US
Dosing
A dose has been tested in humans

Approved only as a controlled implant for a rare disorder; it darkens existing moles, which complicates skin cancer screening.

What studies report

How it works

Activates the MC1 receptor on pigment cells, increasing production of eumelanin — the dark, UV-absorbing form of melanin — without any sun exposure.

Binds a receptor on the cell surface and signals inward

Where it acts

Acts in the skin, throughout the body

The library groups this compound under Skin & hair. The diagram shows that target, not every tissue it reaches.

Illustrated

AI-generated subject illustration; not a depiction of the compound or evidence of its effects.

Why people take it

Sun protection in light-sensitivity disordersTanning

Reasons people seek it out — not a list of proven effects.

In practice Off-label

Reported real-world use, not evidence and not a recommendation.

Dosing

What was tested Evidence

  • 16 mg implant every 2 monthsPhase 3 in erythropoietic protoporphyria→ Increased pain-free sun exposure time

What people report using Not evidence

  • The approved product is a controlled implant, not a self-dosed injection

Reported for reference, not as instruction. Nothing here is a recommendation to take anything, and most of these compounds are not approved for human use.

Status: Approved in the EU and US as an implant (Scenesse) for the light-sensitivity disorder erythropoietic protoporphyria.

Route
Subcutaneous injection, from reconstituted lyophilised powder
Sequence
Ac-Ser-Tyr-Ser-Nle-Glu-His-D-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2
Formula
C78H111N21O19
Molecular weight
1646.8 g/mol
CAS
75921-69-6
Available as
10 mg
View on PubChem →

Search PubMed for Melanotan-1 → We link a live search rather than a fixed citation list, so it stays current and nothing here is a reference we have not checked.

Educational information only. Nothing here is medical advice, a dosing protocol, or a recommendation to use any compound. Most entries describe substances not approved for human use. Talk to a licensed clinician before acting on anything you read here. How to read these entries.