Clean your shower door thoroughly.
Using rainx on glass shower doors.
The shower door must be completely clean for the rain x to work.
Apply the first coat of rain x by spraying the rain x on the inside of your shower.
Rain x should not be used on plastic shower doors.
Use the cloth and thoroughly dry the shower door.
Product usage instructions use in a well ventilated area clean and dry surface before treating apply rain x shower door water repellent to a small folded dry cloth or paper towel wipe onto the glass using a firm circular and overlapping motion allow product to dry until slight haze appears.
How to use rain x on clear shower doors step 1.
Rain x can be used on glass shower doors without any etching to achieve the benefits of rain x water beading in the shower.
The shower spray beads up and runs down so much less.
Note the rain x website faq page does say that rain x is safe to use on glass shower doors.
I wouldn t let pets or children around while you re applying it or let them lick the glass or anything but beyond that it seems just like using any other household cleaner.