Melanotan Injection What does it do? Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2. Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Premium High Purity Melanotan 2 Nasal Spray Pure Mt 2 Tanning Solution for Safe Tan Premium High Purity Melanotan 2 Nasal Spray and Pure Mt 2 Tanning Solution for Safe Tan price Tan with Bronze Up Nasal Spray for Flawless Results