Can Natural Essential Oils Cause Allergies?

I used to think that if something was natural, I probably wouldn’t be allergic to it. But as I began studying essential oils more seriously, I discovered that nature has its own complexities. What matters is not just what we use, but how much we use, how we use it, and who it is suitable for.
Tuberose and the scent that was lost along the way

In 2024 we ordered tuberose from a farm in Khon Kaen, soaked it in alcohol across four rounds and waited another six months. What came back was not the scent of flowers. This is the record of that first experiment, and the three reasons we only understood later.
Ten Years on the Path of the Breath

The first time I joined a Vipassana course, I closed my eyes and couldn't sense my breath at all. By day three I wanted to run. Years later, after studying aromatherapy, I began to wonder whether scent could help beginners find their way back to the breath.