Aura Cacia essential oils and aromatherapy products are perfect for helping to rejuvenate your body and soul. Excellent quality and expertly blended, these aromatherapy products will help to inspire, relax, energize and soothe you. The car diffusers are wonderful for helping to keep you alert. I use one in my car with a few drops of peppermint oil. It smells great and keeps me alert and feelin great - even when stuck in traffic!