For some, not at all. But many experienced smokers recommend the less invasive/extreme treatments be reserved to when the milder ones don't work.
I've not used alcohol on my pipes for over 4 years, but then, have not acquired an oversmoked, gummed up estate pipe.
I've not used alcohol on my pipes for over 4 years, but then, have not acquired an oversmoked, gummed up estate pipe.