Question about halo healing unhex candle

Will I need another candle if I didn't let the candle burn straight out? I mean I finished the candle in a few days, but I didn't have time to burn it completely out at the same time because it has been a busy week for me. I let it burn for 7 hours one night. I couldn't be at home to burn it out all in one day because its been a busy week for me. Now everytime I relit it, I would say my chant