Karna Purana is the Ayurvedic practice of placing warm oil into the ear canal. This practice supports overall ear health & pacifies conditions such as: TMJ, ringing in the ears, excess ear wax, lockjaw & poor hearing Ayurveda strongly believes in applying oil to all parts of our body to maintain proper function. Therefore, it only makes sense that Ayurveda would recommend the application of oil in the ears to support long-term auditory health.