A crime is a crime no matter WHAT the age of the person committing it. The only difference between juvenile offenders and adult offenders, is in how they are handled by the court.
Unless you were bound over for trial as an adult, you should probably retain your right to vote. To be certain, contact your County or State Voter Registrar's Office and ask.
no. you cant be charged. because you usually find it in topical pads for temp relief. ( icy hot, sometimes bengay, ect) i wouldn't charge anyone for it and I'm a police officer.