Kim, I don't typically bathe my dogs face or topknot because I dont' want to get soap in the eyes, nose or ears. I only bathe the tips of his ears. I use a "pet wipe" to remove dirt from those areas and that works great in between grooms. There is also a great pad for removing eye gunk that can also be used "to clean a grubby muzzle" (hehe. which is what I call Fozzie right before I use it, "come here, grubby muzzle!")
We bathed our dog in johnson's baby shampoo when I was a kid, so Im g uessing it would be ok in a pinch if you absolutely had to shampoo the snout.