Candles burn with an open flame, and so some basic rules have to be followed to use them safely. The most important safety information can be found on the label, either as symbols or text. Here is the explanation what these symbols mean:

Pictogram Explanation
General warning sign
Never leave a burning candle unattended.
Keep away from things that can catch fire.
Keep away from children and pets.
Use a heat resistant candleholder.
Use in a suitable bowl filled with water.
Keep candles at least x cm apart.
(x represents the minimum safety distance between candles)
Do not burn in a draught.
Do not place near a heat source.
Place candle upright.
Trim wick to x cm.
(x represents the maximum length of the wick)
Snuff out the flame. Do not blow it out.
Keep wax pool clear of matches and debris.
Do not move a burning candle.
Never use liquid to extinguish.
Remove packaging before use.
Trim edge if higher than x cm.
(x represents the maximum height of the edge)
Only use in holders and warming stoves with sufficient ventilation.
This candle liquefies, use a suitable container.
Do not touch, may be hot.
Do not burn in a warming unit.
Ventilate the room after use.
Avoid direct inhalation of any smoke.
RAL Quality Mark for Candle
(award for high quality candles by the Quality Association for Candles)
RAL Quality Mark for Candle
(award for high quality candles by the Quality Association for Candles)