How often: At least once a week. Or consider an alternative sponge, like this silicone scrubber. How often: If you have a synthetic pillow that you never wash, plan to replace it about every 6 months. If you wash your synthetic or down pillows at least twice a year (here’s the best method), they should last up to 3 years. How often: Replace a plastic loofah about every two months. Besides spreading bacteria, they will also tend to lose their shape, which defeats their exfoliating abilities. How often: Check the guidelines for your refrigerator model, but many brands recommend replacing the filter every 6 months or so. How often: Throw away older plastic containers, and invest in BPA-free options or stylish glass alternatives.
