AiXin Tanning Nasal Spray Extreme Sunless Tan Accelerator for Darker Skin, Affordable Private Label Option for B2B Partners. Melanotan 2 10mg Pro Peptide Research Lab People on TikTok Are Using Nasal Tanning Sprays. Are They Safe? NBC 6 South Florida 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 Home BYRONSPRAY Tanning Nasal Spray 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 longer lasting than