❧ How to Make Scented Rice Microwave Heat Packs *** "By Athena Hessong, eHow Contributor". Soothe aching muscles without paying for an expensive aromatherapy heat pack. Using long-grain rice and lavender essential oil, these homemade packs can be heated in the microwave to release the scent and warm the interior. Using the packs on sore muscles can ease tension and bring relief.
