Gently squeeze the candle pen to dispense wax onto the candle, as you would with puffy fabric paint. Tip: Less is more. Use thin lines and fill in larger areas by spreading the paint with the pen tip.
If adding a second layer of detail, wait a little while to allow the first layer to set up slightly to avoid colors running together.
If decorating tapers, place the candle in a candle holder to dry.
Allow candles to dry 1-3 hours. The thicker the paint, the longer it will take to dry. Thin layers are ideal.
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Notes
Disclaimer: Always use wax candle pens as directed and keep designs away from the wick to prevent uneven burning. Never leave a burning candle unattended.