[AT] OT war on poison ivy

[Stephen Offiler]

That's a fair point.  It seems well-accepted that modern laundry detergents
remove urushiol from clothing.  But, the unstated question here is whether
urushiol is as tenacious on fabrics as it is on skin.

SO

On Wed, Nov 20, 2019 at 11:03 AM James Peck <jamesgpeck at hotmail.com> wrote:

> Since the detergents used for washing clothes seem to remove urushiol oil
> from them, it is reasonable to believe that a detergent will work as well
> as a petroleum distillate as a solvent for urushiol. I should have said
> that the product's inconvenient bar size has persisted since I first
> started using it.
>
> Steve Offiler AT List member Mechanical Engineer <soffiler at gmail.com>; If
> you choose to believe Wikipedia, the original Fels-Naptha soap was intended
> for laundry use, and it contained naphtha (please note spelling) which is a
> petroleum distillate.  Somebody discovered it was good at removing
> urushiol.  But then they had to remove the naphtha because it is
> carcinogenic.  The reputation for effectiveness against urushiol persists.
> (Along with warnings that it is intended for laundry use and may cause skin
> irritation.)
>
> https://en.wikipedia.org/wiki/Fels-Naptha
>
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