3 Peptides

Best Peptides for Tanning

Melanocyte-stimulating peptides researched for skin tanning without UV exposure.

3Total Options

1FDA Approved

Understanding Tanning Peptides

Tanning peptides work by stimulating melanocytes - the cells that produce melanin (skin pigment). Melanotan II activates melanocortin receptors (MC1R) to increase melanin production, resulting in a tan with minimal sun exposure. Melanotan I (Afamelanotide) has been approved in Europe for the treatment of erythropoietic protoporphyria (EPP), a condition causing extreme sun sensitivity. These peptides have gained popularity for cosmetic tanning but carry important safety considerations.

Key Considerations

Melanotan I (Afamelanotide) is the only approved melanocyte-stimulating peptide (EU only, for EPP)
Melanotan II is not FDA approved and has multiple side effects
Nausea is common especially in early dosing
Melanotan II also affects libido, appetite, and can darken moles
Darkening of moles requires monitoring - consult a dermatologist

FDA Approved Options (1)

Melanotan I

FDA Approved

Also: Afamelanotide, Scenesse, MT-1

Melanotan I is the research name for afamelanotide, a 13-amino-acid synthetic analog of alpha-melanocyte-stimulating hormone (alpha-MSH), also written as [Nle4, D-Phe7]-alpha-MSH or NDP-MSH. It is the only melanocortin peptide with regulatory approval: sold as Scenesse, it was approved by the EMA in 2014 and the FDA in 2019 to increase pain-free light exposure in adults with erythropoietic protoporphyria (EPP). It is given as a 16 mg bioresorbable implant under the skin by a clinician, not as a tanning shortcut.

Typical Dosing

500-1000 mcg daily (loading), then 500-1000 mcg 1-2x weekly (maintenance)

Skin & HairView Details

Research Peptides (2)

These peptides are being researched but are not FDA approved. They should only be considered for research purposes or under medical supervision.

Melanotan II

Research

Melanotan II is a synthetic copy of alpha-melanocyte-stimulating hormone (alpha-MSH), nicknamed the tanning peptide because it darkens skin without much sun. It also triggers erections and can blunt appetite, which is why it became the template for the FDA-approved drug bremelanotide (PT-141). Melanotan II itself is not approved by the FDA or EMA and is sold only as an unregulated research chemical.

Sexual HealthLearn more

Glutathione

Clinical Trials

Glutathione is the body's main intracellular antioxidant, a tripeptide of glutamate, cysteine, and glycine (often written GSH). It is sold as oral, IV, topical, and inhaled products and marketed for everything from detox and immune support to skin lightening, but its real, evidence-backed role is as a redox buffer that neutralizes oxidative stress and supports liver detoxification. Some clinical evidence exists for specific uses, while many popular claims, especially IV skin whitening, rest on weak or risky data.

Anti-AgingLearn more

Frequently Asked Questions

What peptides cause tanning?

Melanotan II is the most commonly used tanning peptide. It activates MC1R receptors to stimulate melanin production. Melanotan I (Afamelanotide) works similarly but is more selective. Both produce a tan with minimal UV exposure.

Is Melanotan II safe?

Melanotan II is not FDA approved and carries risks including nausea, facial flushing, darkening of existing moles (requiring dermatological monitoring), and potential cardiovascular effects. It also affects sexual arousal and appetite. Use carries significant risk.

Do you still need sun with Melanotan?

Some UV exposure enhances the tanning effect of Melanotan peptides, but the amount needed is much less than normal tanning. Many users report tanning with minimal sun exposure. The peptide increases melanin production, while UV activates it.