Trust Us, Pick the Soft-Bristled Toothbrush
Before the invention of acrylic, toothbrush bristles were made from all kinds of materials we would not think of putting in our mouths today. While other mammals contributed to the animal hair toothbrush bristle industry, the most popular toothbrushes were made from boar’s hair bristles. One of the major disadvantages to these animal hair toothbrushes…