Chinese and French studies have mapped out acupressure points on the ear. Many points of the body are represented on the ear. The ear has more than 200 acupuncture points regularly used by acupuncturists. Most can be left on for several days, depending on need and if no skin irritation occurs. You can remove them after the pain subsides, or leave them on for prevention.
Some people find one ear more effective than the other.
We recommend some alternation between ears to rest the skin and to avoid lessening effectiveness. No, the strip does not go in the ear. It is worn on the outside of the ear. Please see the instruction sheet for exact placement. Press or squeeze to apply moderate pressure to feel stimulation and not pain.