Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News 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 Don't risk your health for a summer glow! Tanning nasal sprays are creeping onto the UK market, particularly on online and lack of regulation means they are a significant risk to your Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2.