Question: what essential oils are good to diffuse for nausea?
Answer: Lavender oil. Lavender essential oil is perhaps best known for its relaxing properties. ... 
Ginger oil. Ginger essential oil has been studied as a remedy for nausea and motion sickness. ... 
Peppermint oil. ... 
Spearmint oil. ... 
Cardamom oil. ... 
Fennel oil.