To care for your knee brace, rinse it with cool water after each use and allow it to air dry. You may also need to disinfect it with a mild soap and water solution if it comes into contact with any dirt or debris. Be sure to avoid using harsh chemicals or cleaners on your brace, as this could damage it. Inspect your brace regularly for any signs of wear and tear, and replace it if necessary. To care for your knee brace, rinse it with cool water after each use and allow it to air dry. You may need to disinfect it with a mild soap and water solution if it becomes dirty. Avoid using harsh chemicals or cleaners on your brace to prevent damage. Inspect your brace regularly for any signs of wear and tear.