Question: does peppermint and eucalyptus oil together?
Answer: Oils that Blend Well with Peppermint Oil Peppermint oil blends well with Oregano, Marjoram, Cypress, Eucalyptus, Geranium, Grapefruit, Juniper Berry, Lavender, Lemon, Rosemary, and Melaleuca (Tea Tree oil) essential oils for diffusion.