Barber Shaving Neck Powder Brush

The object in the image is a Barber Neck Duster or Powder Brush. This type of brush features a short, ergonomic handle with a flat base to stand upright, and soft dense bristles, typically white. There is a small white button on the side to handle, likely  for dispensing powder. It is a professional hairdressing tool used in salons and barbershops, Its primary function is to gently and effectively remove loose hair from the clients neck, face and shoulders after a haircut or a trim, ensuring comfort and clean finish.