Important: Melanotan II is not approved for human use in the US, UK, EU or Australia. Unregulated products may be mislabeled or contaminated. This page does not give dosing instructions and is not medical advice.
Melanotan I and Melanotan II are lab-made versions of a hormone (alpha-MSH) that darkens skin. They are often sold online as "tanning injections" or nasal sprays. This site explains what is known about them, from public health sources, so you can make safer decisions.