Proper candle care requires trimming your wick to 1/4 inch every time you burn it. That's right. Your candle should be trimmed each time before relighting it and this wick trimmer is the best tool you can ever have. Trimming the wick of your candle is essential to it burning properly + safely. It doesn't just prolong the life of your candle, but it also keeps your candle burning safely without excess smoke and soot.