"Scented candles" refers to candles that have been infused with pleasant aromas or fragrances, which are released when the candles are burned. Full definition
When she visits a home with scented candles burning, she asks that they be put out. (health.com)
While I no longer use scented candles in my home because of the potential health risks, natural scents actually inspire me more than the synthetic ones ever did! (theinspiredroom.net)
I must confess I have been burning Fall scented candles for about two weeks. (theinspiredroom.net)