coconut oil has added things like coconut flakes

No it will not disolve in coconut oil.

coconut oil

It is unrefined, unfiltered and without any additives. Sometimes, it is called "pure coconut oil" to mark its difference from the refined, bleached, deodorized coconut oil, commonly called " refined coconut oil". Virgin coconut oil, organic coconut oil, and the organic virgin coconut oil can be unrefined

No you do not need to refrigerate coconut oil. If you put coconut oil in the fridge it will become very hard.