Avoid nasal tanning sprays or nasal tanners entirely. These products can produce nasty side effects, such as nausea and vomiting, high blood pressure, respiratory issues, and even links to skin cancer. Nasal Change in moles linked to use of unlicensed sun tan jab The BMJ Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian 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. Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that Tanning Peptides: Yay or Nay?