Horses and Glue: Separating Fact from Fiction in the Modern Era
Is glue made from horses? Historically yes — but in modern commercial production, effectively never. Today’s glues are primarily petroleum-based synthetics. In the rare cases where animal-based adhesives are still produced, they come from cattle byproducts, not horses. The “glue factory” phrase is a cultural relic from a practice that peaked in the 1800s and …