Life hacks #1 white clothes turned to yellowed
Your clothes turned yellow?
Mostly It cause by sebum and sweat, and its been a long time so its hard to wash it clean in a normal cleaing methods .
Then what should you do?
Try addind baking soda to the hot water, soak it for a while then wash it out and add some laundry detergent and you are good to go!!!
The white shirt will be good as new again.