The use and application of non-pathogenic bacteria in their spore or dormant form to remove glycyphagus droppings and other organic allergenic materials of any sorts of textile and in any environment they occur in and characterised by the fact that the non-pathogenic bacteria consume the glycyphagus droppings and organic allergenic materials and use these droppings as food, resulting in a permanent reduction of the droppings and resulting in a significant reduction of the allergen pressure in the areas to be cleaned.