What is aromatherapy? As the name implies, it�s the medical science of healing your body and emotions with scented oils. The oils are usually mixed with a carrier material such as a hot bath, lotions, facial cream, flower water or vegetable-based oils. Oils can be added to bandages, hold or cold compresses, cleaning buckets and even your laundry. What is aromatherapy? A healing science where you are expected to be one of the scientists in your own health plan.