melanotan 2 makes me tired Thinking about that tanning nasal spray? Don't. Unregulated nasal tanning sprays are being sold online, claiming to give you a “sun-kissed glow.” But they're risky and illegal. According to the Chartered Trading Melanotan II: Tanning injections, nasal
Description
It is simply a build-up if pigment cells within the skin
10.1016/j.pharmthera.2013.09.006 135 RussoF

This is especially common during pregnancy, when estrogen and progesterone levels rise significantly, stimulating melanin production

Just ordered another bottle

Cancer Research UK advises: "Melanotan nasal sprays and injections are not safe to use
The next-generation DNA vaccine platforms and delivery systems: advances, challenges and prospects
