I have had the same experience with cinnamon fragrance in soy. I just can't seem to find the correct wick/fragrance/soy combination. I keep searching.......maybe someday I will find the perfect one. I just might have to try another type of wax for cinnamon stick (my personal favorite)....and a few others that have been difficult to wick. I have a few samples of cinnamon type oils to test out. I will report back if I have any luck! I just registered on this site! This site is wonderful. Thanks Craft Server:)