Melanotan products are available online. Their formula is based on three central formulations Melanotan I, Melanotan II, and bremelanotide. Melanotan I is responsible for increases melanogenesis and eumelanin content to produce sunless tanning. Melanotan II also increases skin pigmentation but also produces spontaneous penile erections and sexual stimulation. And Bremelanotide is a variation of Melanotan II that is specifically designed for sexual stimulation. People can easily buy Melanotan ii, Melanotan I, and bremelanotide through the internet and other means. But without any expert advice and doctor’s prescription, it may harm you.