Peppermint oil can help with tension headaches when ... like lemongrass or ylang ylang oil. Can you ingest essential oils? No, never. Many essential oils can poison you if you ingest them.

Besides making decadent seasonal lattes, this holiday favorite contains oil can support scalp health and may mitigate hair ...

But you'll want to avoid getting in or near your eyes since peppermint oil can cause burning. It also contains soap, so it's not safe to ingest.

If you have a contact allergy to peppermint oil, it can cause a rash ... If using it with your shampoo: Take a normal amount ...