What about more stubborn streaks?
In most cases, regular cleaning of shower doors will help to keep on top of soap marks and streaks.
However, after time heavier soap marks can build up and these can be more stubborn to get rid of.
For heavier soap and watermarks, you can try leaving the vinegar and water mixture to sit for a little while before buffing away the marks.
But you can also try and use a lemon and salt to help budge those more stubborn stains.
Anglian Home Improvements state on their website:“Cut the lemon in half and dip the cut end into the salt granules.