For my first try, though, I decided to go with a pair of all-white leather Adidas trainers.

Then, I let them soak while I tackled the rest of the process.

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whitening trainers with hair developer

Ashley Chalmers / The Spruce

The sheets dissolved immediately in hot water and the water became nice and sudsy.

This means theres no reason to go out and buy liquid detergent if youre in the same boat.

The Result: It Worked!

dirty white trainers

Ashley Chalmers / The Spruce

A few hours later, my shoes were most definitely whiter and brighter.

The same goes for the laces!

Its been a few hours since I finished the process, and both items are still pretty soaked.

soaking trainers in detergent

Ashley Chalmers / The Spruce

I might even use it on a few more pairs!

freshly whitened shoes

Ashley Chalmers / The Spruce