Microplastics at Home: What They Are and How to Reduce Your Exposure

Research is still underway to fully understand the health effects of microplastics, but early studies suggest they may contribute to inflammation and could affect the lungs, digestive system, and hormonal balance. The good news is that there are many simple, practical steps you can take to significantly reduce your exposure.

Know the Main Sources in Your Home

Indoor microplastics come primarily from synthetic textiles (polyester, nylon, and acrylic clothing and furnishings), plastic food and drink containers, household dust, and coated surfaces like painted walls and synthetic carpeting. Recognizing these sources is the first step toward making changes.

Rethink How You Store and Heat Food

One of the most impactful changes you can make is switching away from plastic in the kitchen. Avoid microwaving food in plastic containers or covered with plastic wrap, as heat accelerates the release of microplastic particles. Choose glass, stainless steel, or ceramic containers for storing and reheating food. Use a reusable stainless steel or glass water bottle instead of single-use plastic bottles. When possible, buy foods that are not packaged in plastic pouches or wrapping.

Choose Natural Fibers

Synthetic fabrics shed microscopic plastic fibers every time they are worn, washed, or simply handled. Opt for clothing, bedding, and towels made from natural materials like cotton, linen, wool, or hemp. If you do wash synthetic garments, consider using a microfiber-catching laundry bag or filter, which can trap a significant portion of the fibers before they enter the water supply and your home’s air.

Clean Smarter

Regular cleaning makes a real difference. Studies have shown that more frequent vacuuming is associated with lower microplastic levels in household dust. Use a vacuum with a HEPA filter to capture the finest particles rather than recirculating them into the air. Damp-dusting surfaces is more effective than dry dusting, which can send particles airborne. Mopping hard floors regularly also helps remove settled microplastic fibers.

Improve Your Indoor Air

Since indoor air often contains more microplastics than outdoor air, improving ventilation is important. Open windows when weather permits to increase air circulation. A portable HEPA air purifier can help filter airborne microplastic particles, especially in bedrooms and living areas where you spend the most time. If your home has a central air system, use high-quality filters and replace them on schedule.

Filter Your Drinking Water

Not all water filters are created equal when it comes to microplastics. Point-of-use devices that include a physical filtration barrier – such as those with microfiltration membranes – have been shown to remove the vast majority of microplastic particles from tap water. Simple carbon-only filters may be less effective for this purpose.

Make Thoughtful Choices When Furnishing Your Home

When buying new furniture, rugs, or curtains, look for options made from natural materials. Synthetic carpeting and upholstery are significant sources of indoor microplastic fibers. Hardwood or tile flooring, natural-fiber rugs, and wooden or metal furniture can all help reduce the overall microplastic load in your home.

Protect Children

Young children are especially vulnerable because they spend more time on the floor and frequently put objects in their mouths, leading to higher dust ingestion. Keeping play areas clean, choosing natural-material toys when possible, and following the cleaning tips above can help lower their exposure.

The Big Picture

While no one can eliminate microplastic exposure entirely, the cumulative effect of these everyday choices can meaningfully reduce the amount of plastic particles your family encounters. Small, consistent changes – from swapping a plastic water bottle for a steel one to vacuuming a little more often – add up over time. Staying informed and making gradual adjustments is a practical, empowering approach to this emerging health concern.

Shivani Golden, MD is a double board-certified Geriatrician and Family Medicine physician, Medical Director, and part of the dual physician team at SoHo Concierge -a new membership-based medical practice that utilizes the latest evidence and world-class trained physicians to inform treatment in geriatrics, primary care, acute care and longevity/functional medicine. She frequently lectures at national medical conferences and is deeply committed to advancing thoughtful, relationship-based care. If you are interested in joining, please visit sohoconcierge.com or call (702) 582-5324 to learn more. If you have a question you’d like to ask the doctors, please email them at office@sohoconcierge.com.