Lets look at sunless tanning, ., Firstly theres the injections and nasal sprays which typically have an active ingredient called melanotan. This is a synthetic compound that stimulates the Melanotan II: Tanning injections, nasal sprays harmful to health Frontiers Melanocortin therapies to resolve fibroblast mediated diseases Woman dies after tanning injection Nursing Times Frontiers The melanocortin receptors as targets for general obesity: contextualizing clinical failures and analyzing future perspectives Say No to Nasal Tanning Sprays Dermatology Times