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After you step, sweat, and Savasana all over your yoga mat, clean it. Not only will it spare you from a stinky mat, but it can help protect you from skin infections and other health issues.

Your de-griming strategy depends on where and how often you unroll your mat and the material it’s made from. Routine maintenance can be as easy as a simple wipe-down with a DIY solution. A particularly dingy or smelly mat might benefit from a focused spot-cleaning or even a soak in the tub. Here’s how to keep your mat fresh, clean, and primed for your practice.

A routine wipe-down takes 10 to 15 minutes per side including drying time. A spot-cleaning takes 10 to 15 minutes (depending on the state of your mat), and 15 minutes to an hour for drying. A deep clean in the tub will take 20 to 30 minutes, and up to 24 hours for drying. (High humidity can make for longer drying times.)

You should wipe down your mat at least every couple of uses, said Jana Long, executive director of the Black Yoga Teachers Alliance, and Erica Whalen, co-owner of Mang’Oh Yoga. (The Black Yoga Teachers Alliance previously received a donation from JadeYoga, the maker of one of our mat picks, but was not involved in our review of yoga mats.) This is for the good of your mat and for maintaining a clean environment, particularly in shared practice spaces. Pathogens typically found on gym equipment (such as the fungus that causes ringworm or athlete's foot, the virus that causes plantar warts, Staphylococcus aureus, and E. coli) hitch to yoga mats, too.

If you have a history of skin infections, including warts or fungus, be “meticulous” about cleaning your mat after every use, said Dr. Abigail Waldman, director of the Mohs and Dermatologic Surgery Center at Brigham and Women’s Hospital. “Even months after being treated for fungus or Staph infections,” she explained, you can potentially reinfect yourself by stepping onto a dirty yoga mat.

If you use your mat frequently and notice that it gets grubby quickly, consider monthly spot-cleaning in addition to routine wipe-downs.

Read your mat’s care instructions. Most yoga mats are made from materials like natural rubber, thermoplastic elastomer (TPE), and polyvinyl chloride (PVC). Their levels of absorbance vary. While vinegar, dish soap, and tea tree oil are commonly used in DIY cleaning solutions (including the one we recommend here), they may not be appropriate for all mats.

In most cases, it isn’t necessary to disinfect a mat that you alone use. “Microbes are everywhere,” said Erica Hartmann, an assistant professor of civil and environmental engineering at Northwestern University. “Don’t feel like your yoga mat has to be sterile for you to stay healthy.”

While vinegar, dish soap, and tea tree oil are commonly used in DIY cleaning solutions, they may not be appropriate for all mats.

Disinfectant wipes or sprays are generally not recommended for use on yoga mats. Harsh disinfectants, like bleach and alcohol, have the potential to degrade a mat over time. (Though the acidity of vinegar has the potential to do so, too.) It’s also possible for disinfectants to absorb into a porous mat—not ideal when breathing deeply during child’s pose. If you do choose to use a disinfectant, pick one that’s safe for skin contact.

Combine water and vinegar in a spray bottle. (We found a variety of suggested water-to-vinegar ratios in our research and interviews, ranging from 1:1 to 1:4. In our testing, we tried water-to-vinegar ratios of 1:1 as well as 4:1 and didn’t notice a significant difference except for a slightly less-potent vinegar smell in the more-dilute solution.) If desired, add about five drops of tea tree oil. Give the mixture a gentle shake to combine. Vinegar can be a decent disinfectant, but it does not kill microbes like a cleaner built primarily for disinfecting. (If you want to maximize vinegar’s disinfecting potential, Hartmann suggests allowing the solution to sit on your mat for about 15 to 30 minutes before wiping it off.)

Lightly spray the top surface of the mat with the cleaning solution. Using a soft cloth, wipe down the entire mat.

Next, allow the mat to air-dry completely, flat on the ground; depending on the conditions, about 10 minutes should do the trick. A damp yoga mat provides an ideal environment for mold and bacteria growth.

To ensure that no dirt from the opposite side of the mat sticks to the clean side when you roll it up, spray and wipe the other side of the mat, following the steps above.

Once your mat is clean and dry, roll it up securely and store it standing on one end in a cool, dry place. Many companies advise against storing mats in the sun (including in your car). UV rays can break down rubber and many plastic foams.

To treat stubborn stains and grime, use a detergent, suggested a spokesperson from the American Cleaning Institute, an organization that represents the cleaning products industry. Fill a spray bottle with one cup of warm water. Add two to four drops of dish soap. Gently shake to combine.

Spray the solution onto the soiled areas of the mat. Try not to over-spray: Soap can leave a slippery residue. Use a soft cloth to gently scrub the spot.

Next, wipe the mat with a damp cloth to remove the soap solution. Allow the mat to air dry completely, either flat on the floor or draped over a sturdy shower curtain rod or drying rack.

If your mat is very grimy or stinky, consider soaking it. (Check the manufacturer’s guidelines first.) Fill a bathtub with enough water to generously cover the mat and add about a teaspoon of dish soap. Submerge the mat in the soapy water and let it sit for about five minutes. Then scrub the entire mat with a soft cloth, paying attention to particularly dirty spots.

Drain the tub. Rinse the mat and gently squeeze out the excess until the water runs clear. This might take some muscle—and time.

Give the mat a shake. Then drape the mat over a sturdy shower-curtain rod, drying rack, or railing (out of the sun) to dry completely. This could take up to a day depending on the conditions.

Some mats can be washed in a washing machine. However, rubber mats will absorb a bunch of water and be slow to dry, and PVC, TPE, or other plastic materials might tear or stretch in the machine.

This article was edited by Tracy Vence and Amy Koplin.

Ingrid Skjong is a senior staff writer covering fitness at Wirecutter, testing everything from running watches to stationary bikes. Previously an editor at various lifestyle magazines, she has written about fitness and endurance sports throughout her career. She is a certified personal trainer and a runner—both useful when she’s wrangling her two kids.

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