How to shave my mustache and not get little pimple and ingrown hairs?

Anyone now how I could do this?|||i take hair clippers to mine first. then, i shave with a very good razer. i also use gel type aftershave.|||Wash it 1st, then use a microderm kit (I recommend Mary Kay, I know, the lid is pink, but who will know?) Then shave, then use a MOISTURIZER. Very effective.|||used lotion after shaving