1. We strongly advise trimming the wick short or to roughly a quarter of an inch before relighting each time this will avoid any smoke. 
2. After blowing out the candle flame, if required safely center the wick in the liquid wax ready for your next burn.
3. Avoid placing your candle in parts of your home or space where there are wind draughts or poor ventilation.
4. Try to burn the candles for a minimum 2 hours this will avoid tunnelling do not burn longer than 4 hours at a time.
5. Lastly, keep away and out of reach from children and pets.