As a result, bristles don't have a generic rating like badger bristles, with most brands choosing a specific "best fit" bristle for their shaving brushes. But Semogue is special and interesting, making a clear distinction between the different bristles, Special> Premium> Super> Extra> Best order, less and less flexibility, but more and more toughness.
Bristle brush is generally good toughness, most can be described as excellent; Good level of softness. Bristles with excellent toughness are medium in softness. Bristles generally hold water in the middle and lower parts of the bristle. Bristles absorb some water on their own, but when they're full, it's hard to hold more water in the brush.