A girl in a brown jacket looking nervous by a chain link fence
a man and a woman stretching, excessive backsweat

WHY DO SWEAT STAINS HAPPEN?

Let’s be clear, sweat itself is colourless. But when sweat patches get onto your clothes and dry, the salt, proteins and oils in your sweat can leave a residue. This normally disappears with machine washing.

But here’s where your problems can start. You might not do a wash for a few days, the sweat patches on your clothes are allowed to dry. And there could be a build-up of your anti-perspirant or deodorant product mixed in as well.

Over time, the aluminium in the product and the salt in your sweat combine to form those familiar (but unwelcome) yellow sweat stains. And they're harder to remove with normal machine washing.

 

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