Rose Scented Candles

Trim the wick to 1/4inches before lighting.
The first burn is important.  Make sure that the first layer has completely liquified on your first burn.
Keep it clean. 
Leave the candle lit for 3 hours for the first time to avoid tunnelling
Keep the candle on a flat and stable surface and away from flammable materials.
Keep candles out of reach from pets and children.
Never leave a burning candle unattended. 
Don't burn below 5mm.