As gross as it may sound, the CEO of Levi Strauss says you shouldn't wash your favorite pair of denim jeans. In fact, if you talk to real denim aficionados, they’ll tell you don’t wash your blue jeans, just take a sponge or toothbrush to them.

It sounds totally disgusting but Chip Bergh says it keeps your jeans in mint condition and is better for the environment. He hasn’t washed his in over a year.

In the past, Levi's has suggested freezing your jeans instead of putting them in a washing machine. Doing this once a month would keep jeans from smelling bad.

Don't believe me? Watch this.

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