I use a CC Cream from time to time and I have tried several BB Creams; but I have to admit that BB Creams and CC Creams are beginning to confuse me, especially when you compare them to those from eastern countries.
Here is a good link to the blog “Musings of a Muse”. She explains it well.
http://www.musingsofamuse.com/2014/05/whats-difference-bb-creams-cc-creams.html