Why A Simple Cup of Salt Could Save Your Car And Your Health

Let’s explore how this humble mineral can dehumidify your car interior and why it might be one of the smartest (and cheapest) fixes you’ll ever try.

How Salt Works to Dehumidify Your Car Interior

Salt may seem simple, but don’t underestimate it. It’s what scientists call hygroscopic, which means it naturally draws moisture out of the air. Just as it keeps your salt shaker from clumping in humid weather, it can do wonders inside your car.

When you place a cup or small container of salt on your dashboard or under a seat, it immediately begins pulling dampness from the air. This can significantly reduce condensation, especially during colder months or in areas with high humidity.

And for anyone who’s tired of waking up to fogged-up car windows in the morning? Salt helps with that too. Less moisture in the air means fewer opportunities for fog to form on your glass — making it safer and easier to get on the road.

Say Goodbye to That Musty Smell

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