The shower door must be completely clean for the rain x to work.
Using rainx on glass shower doors.
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 manly housekeeper says he s been using rain x on his shower doors originally meant for windshields and has had nothing but good results.
Clean your shower door thoroughly.
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.
The shower spray beads up and runs down so much less.
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.
Rain x should not be used on plastic shower doors.
Note the rain x website faq page does say that rain x is safe to use on glass shower doors.
Use the cloth and thoroughly dry the shower door.
How to use rain x on clear shower doors step 1.