Anne Miller wrote:Thanks for starting this thread. Great question and thought provoking.
I know that the tread is using activated charcoal to brush teeth and other uses.
How does this differ from wood ash? Does it not make the potassium hydroxide? I am assuming that wetting the wood ash forms lye which is what is burning the skin?
r ranson wrote:neat question.
I'm very sensitive to alkali on my skin, so I do get a reaction from wet woodash (but not dry for some reason).