My long term test on this is complete now--When applied to really clean glass, it lasts just slightly less than rainx, UNTIL you you the wipers a lot. If there is wiper usage, the lifespan is shortened by a large factor, rainx beats it easily in this regard. The ice adheres to a month-old application of rejex more tightly than the side with rainx.
Note: the 'directions' for applying both products were followed to a "T"
I also found rejex to be more time-consuming to apply to glass, whereas rainx is a cinch...
Note: the 'directions' for applying both products were followed to a "T"
I also found rejex to be more time-consuming to apply to glass, whereas rainx is a cinch...