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 Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn A 'tan' you can inject has health risks, including cancer Healthing.ca Summer Skin Gradual Tanning Serum Tropic Skincare Amazon.com : b.tan Sun Tanning Lotion Tan Accelerator Best Tinted Browning Cream, Brown Intensifier Bronzing Lotion, No SPF, Packed with DHA Boosters, Mango Butter & Peptides, Austrailian Brand, 8.45 Fl