Most people out there won’t experience any negative effect after using self-tanning products. But if you already suffer from frequent migraines, you should think twice before going for a faux tan. The problem is not in the tan itself, but a few ingredients in some fake tans. L-tyrosine is the culprit in this case. It is an amino acid that helps to produce melanin. Although every one of us has this amino acid in our bodies, higher levels of it can be a nightmare for people suffering from migraine. Elevated levels of L-tyrosine in the body can cause migraines.