Is it true that bat guano was, at least, once used in making mascara? If so, how common is it today? - Quora
second-bat-guano-war/the-second-bat-guano-war.html at master · toholdaquill/second-bat-guano-war · GitHub
Is it true that bat guano was, at least, once used in making mascara? If so, how common is it today? - Quora
![Is it true that bat guano was, at least, once used in making mascara? If so, how common is it today? - Quora Is it true that bat guano was, at least, once used in making mascara? If so, how common is it today? - Quora](https://qph.cf2.quoracdn.net/main-thumb-714034189-200-lqkmorerlkmcjxgvpvljefmghzqkpqey.jpeg)
Is it true that bat guano was, at least, once used in making mascara? If so, how common is it today? - Quora
![Urban legend talks about the use of bat guano as an ingredient in mascara. It's actually guanine, an authorized c… | Mascara, Cosmetics, Beauty products photography Urban legend talks about the use of bat guano as an ingredient in mascara. It's actually guanine, an authorized c… | Mascara, Cosmetics, Beauty products photography](https://i.pinimg.com/originals/c9/d3/df/c9d3dfb27af7849b822d8e1c4e08b276.jpg)