Dark side: tanning injections 'may be lethal' 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 Melanotan II in Santa Barbara, CA Eternity Health Partners Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Melanotan 2: The Path to a Bronze Tan, a Leaner Physique, and Enhanced Libido PARTICLE, s. r. o.