Hair health has as much to do with what you put into your body as it does with what you put into your strands. It thrives ...

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.

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 ...