Bustle / Dr. Peterson Pierre

How Long Can You Wear Sweatpants Without Washing Them?

April 2, 2020

Again, one day is the ideal. A maximum of four days is a good metric to follow, advises Dr. Peterson Pierre, a board-certified dermatologist in California.

“You can go about three to four days in your sweats or loungewear before washing them,” Pierre says. “Any longer than that, and oils, bacteria, dander, and sweat can accumulate, leading to itchy skin and even an acne flare. It’s important to wash your favorites about twice a week even if you’re not leaving the house.”

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