CC cream provides better coverage and treatment of uneven skin tones than BB cream, with a lighter texture and less oily finish. BB cream functions as a serum, moisturizer, primer, foundation, and sunblock in one, and can be worn alone or layered. The document discusses the benefits and characteristics of GCC's BB and CC creams, noting they both provide sun protection and moisturizing but the CC cream offers more coverage and helps balance skin tone while the BB cream has a natural look.