Paper Mache Put in Garbage Cart Don't Recycle It Paper soaked in any kind of paste should not be recycled, because these contaminants are impossible to remove during the recycling process. Did You Know? Ecofriendly Paint for Your Paper Mache Some craft companies are making their products from natural ingredients, in order to help their customers be more environmentally conscious. Flour and water paste, which is used in paper mache, is ecofriendly. So are many paints made from natural ingredients, such as water, milk, and starch. The company Natural Earth Paint makes different kinds of non-toxic, ecofriendly paint for children’s crafts.