Get a RESPIRATOR>>>>STAT. Spend $40-50 bucks and get a good one w/ screw in filters.
Cedar dust>>>>>>BAD, VERY BAD!!
Solvent based sealers and finishes and rattle cans>>>>>BAD, VERY BAD!!!
Clean air thru an organic filter>>>>>>>GOOD!!!!!
DO THIS>>>>>You will thank me when you are my age
Bernzy