To lighten a bright shirt with bleach.
Colored shirts can be put in little bleach but make sure you do not use excessive of the bleach.
So in order to keep your shirts and blouses from yellowing it is recommended for you to use small quantity of the bleach while washing.
Use the detergent for cleaning your white shirt and blouses.
What you are supposed not to ever do is to mix two or more different colors.
You can soak the shirt
separately depending on the color.
There are also other detergents which are advisable for use to get rid of the stain on your white shirt.
I hope so that this answer will helps you a lot.