Melanotan 2: Day 6 , Another one hour in what minimal sun we had today. , No tanning beds, just sun. , Moved down to 50mcg before sun exposure, No more side effects :) , Before & before , Well see 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 Clinically important side effects of Melanotan II and placebo Download Table Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II (Tan Jabs): Why They're Not Worth The Risk Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report