I've been studying essential oils and wanted to share that Cajeput essential oils work well for neuralgia pain. Make sure to dilute it in a carrier oil such as coconut oil or olive oil and apply to your face or ear area depending on where your TN or GN pain is. I hope this helps somewhat! An interesting link is here: http://www.organicfacts.net/health-benefits/essential-oils/benefits-of-cajuput-essential-oil.html