Headcase is strong, very strong. You've got a 40/60 ratio of essential oil to carrier oil. Overkill? Possibly. But when it comes to headaches, extreme measures are acceptable.
Roll this onto your forehead, temples, behind your ears or on your back for a cooling, tingly sensation on your skin and a happy feeling in your heart. There's a lot of minty-mentholated goodness in here to break up sinus pressure and to kick your headache right in the face.