Melanotan-1, also called afamelanotide, is a peptide related to alpha-MSH, a natural hormone pathway involved in skin pigment production. Melanotan-1 may increase skin pigmentation in some people by supporting eumelanin production. Results vary based on dose, skin type, genetics, UV exposure, sun-
protection habits, and individual response.
Melanotan-2, also called Melanotan II or MT-2, is a peptide related to alpha-MSH, a natural hormone pathway involved in skin pigment and melanocortin signaling. Melanotan-2 is commonly discussed online for tanning or skin darkening. It may also affect libido, erections, appetite, nausea, flushing, and heart-rate sensations.
