A shaving brush is a grooming tool used to apply shaving cream or soap to the face. It typically features a handle made from materials like wood, plastic, or metal, and bristles made from synthetic fibers or animal hair, such as badger or boar. The brush helps create a rich lather, which can improve the shaving experience by softening the hair and exfoliating the skin. Using a shaving brush can enhance the effectiveness of a shave by evenly distributing the product and lifting the hair for a closer cut. Regular cleaning and proper care of the brush can extend its lifespan, making it a valuable addition to any shaving routine.