Set guard to 3 and buzz your whole beard. clean the lower neck: To use a beard trimmer, put on a number 3 guard comb and place the flat par...

How Long Does Minoxidil Take to Work? While minoxidil starts working immediately, you won't actually see any noticeable changes for three to six months, with the best visual results after 12 months. You do need to persist with continuous use over the entire time.