3 x large Lavender, Peppermint & Lemongrass steamers for those longer showers. 
Lavender: Has analgesic properties that are safe and effective when dealing with a migraine. Lavender also calms and relaxes.
Peppermint: Can improve circulation, relax muscles, and soothe the gut, all of which can be beneficial during a migraine.
Lemongrass: Is known to help manage pain and inflammation. It's earthy, citrus aroma has calming and soothing effects. Lemongrass has the power to relieve tension and discomfort that comes with headaches.
Place on shower floor when water is hot and you are ready to get in - away from drainage hole. Water activates steamer, steam disburses aroma.