Peppermint oil is very versatile and useful. People have used it for digestive problems, headaches, and pain relief when they are injured. We will focus on how it helps for digestive problems. DIGESTION For an upset stomach, peppermint oil can be applied topically to the skin above the stomach (near the solar plexus). For children, please delete the oil because it can be too strong for their sensitive skin. Put two drops on your fingertips and rub it on the area just below th