Aura Cacia Terra Cotta Moon Shape Essential Oil Diffuser Description: Pure Aromatherapy Aura Cacia's Terra Cotta Diffuser gives you a wonderful way to enjoy the benefits of aromatherapy. Its porous surface gently disperses the essence of the oil into your environment. Since it doesn't require heat this diffuser is ideal for absolutes and citrus oils some of which are chemically altered by heat. Use your diffuse with Aura Cacia 100% pure essential oils to enhance your mood or freshen the air in your home office or car. Try These Suggestions: Hang in a sunny window. The sunlight will warm the oil intensifying the aroma. Hang in a closet or use as a drawer sachet. Add a self-adhesive velcro strip to the back of the diffuser and use it as a car atomizer or to decorate a wreath.