The PureGuardian Concentrated Lavender Aroma oil is the ideal choice if you want to create a calming environment. Lavender has a floral, fresh scent with herbaceous undertones. It is considered the most versatile and useful oil and a must for every oil diffuser! Simply add just a few drops to your oil diffuser to fill a room with the natural aroma of Lavender. For external use only. Do not use in some humidifiers/diffusers - check manufacturers recommendations.