Not had one yet that stunk. That includes a Progress Vulfix, Simpson Commodore, 2 x Lijuns, Omega and 2 cheap badgers. I must have been lucky!
I received a VDH badger hair brush for Christmas. I used it once and it really smells bad, wet dog bad. Is this normal for a badger hair brush? My boar hair brush does not smell bad to me. If this is normal, does the smell subside over time?