Science Explained Why doesn’t soap kill 100% bacteria? March 9, 2026 by Myaya | Leave a Comment Soap is incredibly effective at removing bacteria and viruses from your skin, but it doesn’t kill 100% of them. This is because soap works by disrupting the cell membranes of microbes, allowing them to be washed away with water, rather than by actively destroying them. Some bacteria possess more resilient structures or can form protective […] Read more ยป