DIY Hot/Cold Rice Packs Here's a step by step tutorial on how to make your own! You could also do scented rice packs by tossing the rice with your favorite smelling essential oil before filling. A warm, lavender-scented pack over the eyes would be a great way to help you get ready for bed. And peppermint oil is a natural headache cure—a cold peppermint-scented pack could really help take the edge off your migraine. A scented rice pack would make an awesome gift or stocking stuffer!