The first burn
Let the top layer of wax melt almost to the edge. Never leave the candle unattended or place it by an open window.
Guide
A few simple actions help the candle burn evenly and keep the vessel from overheating.

Let the top layer of wax melt almost to the edge. Never leave the candle unattended or place it by an open window.
Remove the charred edge before the next burn and leave about 4–5 mm.
Limit each burn to 2–3 hours and stop using the candle when about one centimetre of wax remains.
Questions and answers
No. Never leave a burning candle unattended.
A short wick supports a calm flame and reduces soot.