Melanotan 1 (Afamelanotide): What It Is, Legality, and Safety

Melanotan 1, also known as afamelanotide, is a synthetic peptide that mimics alpha-melanocyte-stimulating hormone and signals skin cells to produce more eumelanin, the dark pigment linked to UV protection. It is the active ingredient in Scenesse, a prescription implant approved for adults with erythropoietic protoporphyria (EPP), a rare disorder that causes severe pain from sunlight. Melanotan 1 is not FDA-approved for tanning, and buying it online for cosmetic use is illegal in the United States.

What Is Melanotan 1?

Melanotan 1 is a 13-amino-acid analog of alpha-melanocyte-stimulating hormone (α-MSH) that scientists developed in the 1980s to study pigmentation. Unlike tanning beds or self-tanners, it does not add color directly; it increases the skin's capacity to darken in response to ultraviolet light.

Melanotan 1 binds mainly to the MC1R receptor on melanocytes, the cells that make pigment. That selectivity is the main chemical difference between melanotan 1 and the more widely discussed melanotan 2.

• Generic name: afamelanotide
• Brand name: Scenesse
• Form: Subcutaneous implant placed by a clinician
• Approved indication: EPP in adults, to reduce phototoxic reactions

Melanotan 1 vs. Melanotan 2

Melanotan 1 and melanotan 2 are often discussed as if they were the same product. They are not. Melanotan 1 targets pigment receptors more selectively, while melanotan 2 also activates receptors involved in appetite, nausea, and sexual function.

Melanotan 1 and melanotan 2 are different drugs with different receptor activity, and melanotan 2 is not FDA-approved for any use.

Is Melanotan 1 Legal or FDA-Approved in the US?

Scenesse is the only FDA-approved product containing afamelanotide, and it is limited to patients diagnosed with erythropoietic protoporphyria. The approval came in October 2019, and the drug is dispensed through a restricted distribution program.

Melanotan 1 is not approved by the FDA for tanning or cosmetic skin darkening in the United States. Products marketed online as melanotan 1 are unapproved drugs, and they are frequently mislabeled, underdosed, or blended with melanotan 2.

Customs officials routinely seize imported vials and implants. Selling or importing unapproved melanotan products for human use can carry legal consequences.

Side Effects and Safety Concerns

Even in the approved setting, afamelanotide causes side effects in a meaningful share of patients. Common reactions reported in clinical trials and post-market data include:

• Nausea and headache
• Flushing and fatigue
• Injection-site reactions such as pain, bruising, or irritation
• Darkening of existing moles or new pigmented lesions
• Back pain and dizziness

Because these peptides increase melanin production, dermatologists typically recommend periodic full-body skin checks. Some researchers have raised concerns that repeated UV exposure combined with increased melanocyte activity could raise long-term melanoma risk, and that question has not been settled.

Melanotan 1 is a prescription drug, not a supplement, and anyone considering it should discuss risks and monitoring with a licensed healthcare professional.

How Melanotan 1 Fits Into the Broader Peptide Landscape

People who research melanotan 1 usually encounter a long list of other compounds at the same time. Queries like does bpc-157 help with muscle growth point toward recovery and repair research, while long r3 insulin-like growth factor-1 belongs to an entirely different category of growth-factor studies. These peptides are not interchangeable, and results from one say nothing about another.

Sourcing and handling questions come up just as often. Anyone asking how to store bpc 157 will find the same basic rules that apply to most peptides: keep them cold, keep them dark, and follow the label or pharmacist instructions. A search like where to buy bpc-157 peptide or Can you buy BPC-157 over the counter? usually leads to the same conclusion that legitimate peptide drugs require a prescription.

Unapproved peptide blends sold online, including multi-peptide "glow" formulas, carry the same core risks: no quality oversight, no dosing accuracy, and no medical supervision.

What to Do Before Considering a Tanning Peptide

The safest path is a conversation with a dermatologist or primary care provider about sun sensitivity, skin type, and any history of atypical moles. Photoprotection, clothing, and sunscreen remain the standard tools for reducing UV harm.

If you have symptoms of erythropoietic protoporphyria, such as burning pain within minutes of sun exposure, ask about an evaluation rather than self-treating with unapproved peptides. Melanotan 1 is a legitimate medication for one narrow, rare indication — and an unapproved, risky purchase for everyone else.