Roll-On Deodorant Put in Recycling Cart/Bin No Caps or Balls The plastic used to make the balls and the caps is usually different from the actual bottle, so no matter what you do with the bottle, always put the caps and balls in the trash. If you can’t remove the ball, toss the entire container in the trash. Ways to Reuse Create a Sunscreen Applicator The empty roll-on deodorant container can easily be filled with sunscreen to create a convenient applicator. Did You Know? How to Remove the Ball From Roll-On Deodorant Inspired by the Ballpoint Pen Roll-on deodorant was inspired by the ballpoint pen. It first came out in the mid-1950s.