R. hippo-sideros, also known as the Horseshoe bat, is a bat … utilized as a chitin source. 10 Disgusting Common Ingredients In Cosmetics. Since bat guano is composed of a good many organic substances it is quite rich in car-bon and nitrogen, and can be used in agriculture [18]. A woman wearing mascara. Posted on September 14, 2012 by Beverly Jenkins. That's because dried bat guano consists largely of saltpeter (potassium nitrate). 825,498 views. Let’s quickly take a look at what steps need to be taken for each method. It is made from fish scales though. Category: Weird Science. In fact, it's been used by the United States as early as the War of 1812 for making gunpowder. In fact, it is because it contains guanine. Let’s think that one through. Some of the easiest methods of using bat guano for weed are pre-mixing into the soil, hand watering once planted, and direct soil application. The organic bat guano is all you need for a great soil amendment. Reading labels on your cosmetics and lotions seems to require an advanced degree, so we've deciphered some of those ingredients for you. Such is the case with the urban legend of the bat guano being used by modern mascara companies. Know that bat guano doesn’t burn your plants like most nutrients. Modern cosmetic companies have research scientists, color specialists, massive warehouses full of natural and synthetically produced pigments and other materials. In addition, bat guano makes an acceptable compost activator, speeding up the decomposition process. Mixing Into Soil. Oh yeah, they also have lawyers. While mascara and various other cosmetics contain guanine, which is used to give a pearlescent look, this is not guano and does not come from guano. Although it is disgusting, it is not unfounded. Guano can also be used as a protection from certain diseases. Bat droppings also Bat guano does have some practical uses thanks to its high nitrogen content, however; it has been used as fertilizer and to make certain types of explosives. The flavor of the buds is also enhanced because of the same. Guano Uses There are several uses for bat dung. It can be used as a natural fungicide and controls nematodes in the soil as well. It can be used as a soil conditioner, enriching the soil and improving drainage and texture. The urban legend about bat guano and mascara is one of many rumors that have circulated over the years about cosmetics, all with varying degrees of truth. The bat guano used during this study belongs to Rhinolophus hipposideros (Bechstein, 1800). I heard that bat cockroaches can be used as mascara. In order to use it, you need to dig it around the plant or add it to your regular watering regime in the form of tea.