The same way you get rid of any fat- eat right and exercise. You can't specifically target your armpits. You'll lose fat from your entire body, some of which will be from your armpit areas. If you feel you have a disproportionate amount of fat in your armpits, you could consider Liposuction- though it's expensive and chances are you'll eventually gain it all back.
white paint
Use a trusted hair removal cream ..
put pimple lotion on it and lotion.
The only permanent solution is laser removal, but it costs about $400.
lifting weight and eat high carb low protein
Bones, ligaments, tendons, muscles, fat, blood vessels and on the outside is skin. Even a thin person has a small layer of fat under the skin.
You can rid cellulite by doing exercise.
under bike between swing arm shocks
exercise, push ups & a gyms specific arm excerise to tone the arms, running (everyday) helps with it and everything, dancing, hip hop, jumping, jump roping.
do R.I.C.E on ur arm or put ice on it :) :)
sit-ups
deodorant.