From my own experience: absolutely painless, not the slightest jolt can be felt, not even remotely.
Easy to handle, easy to clean - even very efficient.
So it must be - exemplary!
Quite clear recommendation!
Addendum 1 (January 2013): Even after prolonged use nunmehrigem satisfaction stops completely.
Can not be better actually!
Except absolutely no nose hair growth ;-)
Addendum 2 (september 2013): At the top emitted recommendation there remains nothing to shake.
A welcome side effect: The expensive initially suspected power into perspective through the hassle free operation of commercially available AA batteries (or rechargeable batteries).
Accordingly, the operation of this hitherto little more expensive assumed came to a complete side issue ...
