Nursing's Shanina Knighton explains the importance of cleaning your shower
Why your shower gets dirty so fast (and how to slow it down)
Martha Stewart: Shanina Knighton, research associate professor at Frances Payne Bolton School of Nursing, said showers harbor bacteria, mold and biofilm long before grime becomes visible. She explained pink residue is often bacteria, not mold, thriving in moist, poorly ventilated spaces, and urged regular cleaning of overlooked hotspots such as shower liners, loofahs and bath mats.
