Tanning from the inside out = Highly Dangerous and Illegal!, Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such as injectable 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. Change in moles linked to use of unlicensed sun tan jab The BMJ Rise in use of 'dangerous' tanning injection Channel 4 News Tanning, fake tan and Melanotan Cancer Research UK