Tried and tested. In a medical context.
In former times, clinicians brushed their hands with this brush before they concentrated on the next patient. Today brushes with plastic bristles are used in medical environments. Our clinician's choice brush with a wooden body and a seven-row trimming made of boiled pig bristles has a very classical design. They are exactly long and soft enough for the brush to be comfortable to use even after frequent utilization and, at the same time, hard enough to clean the hands thoroughly.