The bumpy tops after burning are quite common with soy wax. It's not caused by anything in your process - it happens when the rate of cooling is inconsistent and unfortunately, it's difficult to control once the candle has been lit and then extinguished. Sometimes it will dry with the rough, uneven surface and sometimes it will dry smooth as glass. The good news is that this is a by-product of all-natural wax, and it does not affect the performance of the candle.

For additional help, check out our Troubleshooting Guide!