Nasal tanners left me suffocating in hospital' Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically Seven Days Of Melanotan 2 , Only about 4 hours of sun exposure this week. , I feel as though my face has gotten the best results so far. , Hoping the sun actually comes out this week! , Have my 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.