Purveyor
Knot deformation is normal and typically completely reversible. I've received lots of knots that have deformed (or taken on the shape of the container in which they were shipped), but they bounce back quickly.
The bristles are actual hair - similar to your own. They're fixed length and glued very precisely, so typically all you need to do to "rejuvenate" them is get them wet, dry them , and maybe give them a quick combing. They should be good as new after
The bristles are actual hair - similar to your own. They're fixed length and glued very precisely, so typically all you need to do to "rejuvenate" them is get them wet, dry them , and maybe give them a quick combing. They should be good as new after