The single most important point is that Melanotan-1 and Melanotan II are not the same compound and should not be treated as interchangeable. Melanotan-1 is afamelanotide, an MC1R-selective alpha-MSH analog with an FDA-approved product (SCENESSE) for a rare light-sensitivity disorder. Melanotan II is a different, more potent, non-selective melanocortin agonist that is not approved by any regulator and has documented risks. This page exists to keep the two apart, and it does not present Melanotan II tanning use as safe.
Reviewed for accuracy · Last reviewed July 8, 2026This is a disambiguation, not a head-to-head. Melanotan-1 is afamelanotide, and as the branded implant SCENESSE it is FDA-approved (2019) to increase pain-free light exposure in adults with erythropoietic protoporphyria. That approval is narrow and specific: it is a clinician-placed implant for a rare disorder, not a tanning product.
Melanotan II is a separate molecule. It is non-selective across several melanocortin receptors, which is why it affects pigmentation, appetite, sexual function, and cardiovascular tone at once, and it is not approved by any regulator for any use. Published case reports describe priapism, eruptive atypical moles, and melanoma associated with its use. Case reports cannot prove causation, but these are documented concerns rather than theoretical ones, and agencies have warned against the compound.
So neither is simply a better version of the other. Melanotan-1 has one approved use in a defined patient group; the injectable tanning use sold under either name is unapproved, and for Melanotan II specifically it carries risks that any new or changing mole should prompt a dermatology review over. None of this is medical advice, and the gray-market products sold for tanning may be mislabeled or contaminated.
This page is an independent educational reference and is not medical advice. The approval described applies only to the SCENESSE implant for erythropoietic protoporphyria, not to tanning use. Talk to a doctor before starting any compound.