What exactly is Melanotan and how does the tanning solution work? 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 Amazon.com: Tanning Spray,Tanning Nasal Spray,tanning Sunless sprays,Deep Tanning Dry spray,Sunless tanning Mist,Self Tanning Facial Mist,Natural Looking Tan (1PCS) : Beauty & Personal Care Nasal tanning sprays warning issued by Trading Standards Melanotan II (Tan Jabs): Why They're Not Worth The Risk What is a nasal tanning spray? How does it work? It acts on the pituitary goand in your brian to mimic sun exposure! Stimulating melanocytes, increases the risk of a melanoma, but there are other