For someone in a pinch you sure are picky.
Cotton balls - Organic or bleached work just as well they are just more difficult to manage.
By the way - They are actually flushed in Peroxide then thoroughly rinsed which eliminates any residual as peroxide breaks down to hydrogen and oxygen.
Then they are dried and packaged.
* Most organically grown anything is basicly grown without any form of pesticides in already polluted ground. Watered naturally by acid rain. then hand picked by Bob's you uncle and if lucky they washed their hands after hitting the nearest tree for a break.