Fregranto essential oil helps in relaxing and rejuvenating your mind and body. When used via diffusion Aroma diffuser oils are easy to use. Add a few drops to your diffuser, candles or potpourri and let the magic happen. These oils have many essential benefits. Safer alternative to candles and incense: If you have pets or small children burning candles or incense can be hazardous, in such a case aroma oil diffuser comes to your rescue.