Always burn your candle until the wax has pooled to the edges (can take up to 2 hours). Burning for less time can cause the candle to 'tunnel', which leaves a build-up of wax around the vessel's sides and can reduce the maximum burn time.
Make sure you stop burning your candle when 1 cm of wax remains at the bottom, keeping an eye on a burning candle when the wax is low., as the glass will become to hot and possibly shatter.
Do not allow a candle burn for more then 3 - 4 hours at a time.
Long, or crooked wicks can create high flames, smoking, or sooting. Trimming the wick to 5mm (when the wax has set) following every burn is the easiest way to prevent this.
Never leave a burning candle unattended.
Keep out of reach of children and pets.
Do not move or handle candle whilst lit to avoid hot wax spilling, allow candle to cool to room temperature.
Diffuser contents are flammable.
Diffuser liquid can damage surfaces, ensure to clean immediately if spilt.