Did I damage my cartridge?

I have used the Zerodust stylus cleaner for some months, and recently purchased another for convenient use with another turntable setup.
The stylus is merely let to vertically sink into the clear gel disc, by itself, with only the same pre-set downward stylus force that plays a record. The stylus is raised up vertically the same way that it is lifted after a record side is finished playing.
It has been a champion at gathering dirt after each playing, even with Audioquest cleaning brush used on record prior to playing. Even records which have been cleaned in the past with the VPI 16.5 can re-accumulate enough on the vinyl surface that the stylus benefits from the Zerodust.
There is no way that one would expect any damage to the stylus cantilever, because the stylus is more gently treated by the gel pillow than by a spinning vinyl record surface. The stylus goes down into the gel, and is raised up from the gel vertically, just as when one plays a record.
Periodically, a generous Audiogon member, Bibibi, receives a shipment and sells these at a rock bottom price, more as a hobby than a business. I hope he will continue to offer this worthwhile gadget on Audiogon so more members may benefit.

Zaikesman, Philjolet is correct. There is a tiny "instruction sheet" which tells a recommended way to clean the Zerodust, so it is usable indefinitely.
I still use Stylast, and have been lucky it has not created a problem for me. Maybe, the Zerodust gel disc which resembles a tiny round pillow, also collects any invisible Stylast residue after each playing, so Stylast does not build up and travel up the cantilever?