Yellow stains on a shirt can be unsightly, but this hack makes them easy to remove.

If you’ve got a collection of white T-shirts and tops, then you may have noticed that over time they can start to turn yellow, particularly under where your armpits sit.

This yellowing is caused by the chemical reaction that occurs in the underarm area when sweat mixes with the aluminium which can be found in some deodorants, and might stain your shirts and make them look pretty gross.

But if you find your…