When my Merkur showed up, I was scared to use it. For me (and maybe your face is different), there was no need. I was really careful the first time, got comfortable with it, and haven't cut myself in over a year of use. I think one trick is to let the weight of the shaving head apply the pressure. Don't dig into your face like you might with a disposable.

It takes a little more time, but I think that's because I now take the time to do a better job. For the same effort as a disposable, I think I'd still get a better shave.