A bulb shaped shaving brush has a round knot head, which results from the shorter hair around the knot. The fibrous natural bristles of the badger haired brush hold significantly more water than their synthetic equivalent, making silver tip haired brushes the best accompaniment to your shaving ritual.
Because of the round binding of the shaving brush head, less hair is in direct contact with the skin. A bulb shaped shaving brush has a round knot head, which results from the shorter hair around the knot.