We use our showers every day, but do you give much thought to the health of your showerhead? Take a close look: Do you see small black dots on the face of the head? It may be black mold. One way to disinfect your showerhead is to disconnect it and submerge it in hydrogen peroxide. Do this for one hour, and then reattach it. Run the hottest water you have for a few minutes to flush it all out. This will remove the harmful mold without the need to totally replace the showerhead.