I'd just like to tell you about my experience with wet cleaning. The first time I tried it, I ended up with streaks so I had to do it again and again.
The last time I noticed one rather large dust bunny on my sensor, I started with the blower. The dust didn't move. Then, I used the swab without the liquid with just a tiny little pressure, followed by a little more blower and voila, the bunny went to bunny heaven.
So, if any of you are afraid of the liquid, I think you can try the dry swab before going to the liquids.
It worked for me.