Free ZOOM course text vol.5 Why is ethanol useless?

Free ZOOM course text vol.5 Why is ethanol useless?

10 free ZOOM courses (30 minutes)

<First time participants can also participate>

The fifth time, I will explain about "ethanol" which is commonly used in aroma craft.
Why is it useless in medical?

Sehi, please listen!

*Please download and print the text to participate.