A number of reasons are to why a white t-shirt turns to yellow,
and the most commonly known reason is perspiration,
whereby it can lead to lead to a lot of a lot of damages to your clothes,
these kind of white t-shirts the kinds of bleaches that5 you actually use are the most dangerous to your fabrics.
Excess use of bleaches can easily lead to such problems that your lovely white shirt can turn yellow.
if you think of bleaching your white- shirt,
this can also lead to yellow color.
Also proper rinsing is required for your washing,
for the detergents such as bleaches if not properly washed can cause the bleach to react with heat,
the sun making the t-shirt to turn color.