Tanning, fake tan and Melanotan Cancer Research UK Melanotan What It Is and Its Relation to Skin Cancer Melanotan II (Tan Jabs): Why They're Not Worth The Risk 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 Melanotan II reverses memory impairment induced by a short term HF diet ScienceDirect