“Since babies' sinuses are in the development phase, it's not a good idea to diffuse oils around them at all.” Because babies exclusively breathe out of their noses for the first six months or so of life, you don't want to introduce anything into their environment that may make this more difficult.
The Don'ts The American Association of Naturopathic Physicians do not advise use of essential oils topically or aromatically with children under the age of 3 months. Don't allow your infant or child to ingest essential oils. Essential oils are toxic to infants and small children when ingested.
Just add water and the essential oil of your choice, then turn it on for the ultrasonic systems to turn the water into a fine mist that spreads the scent of essential oil around the room. Remember to not use a diffuser with essential oils until your baby is three months or older.
Because babies have more sensitive skin than adults, the American Association of Naturopathic Physicians notes that essential oils should not be used at all on infants under 3 months old. Even when diluted, essential oils can cause skin irritation and sun sensitivity.
No essential oil should ever be used for newborns under 3 months. Similarly, they should never be ingested by a child. It's also advisable to avoid using with infants or kids who have asthma. There are many different ways you can use lavender essential oil for babies, toddlers and kids.