“Skin Perfector.” “Balance, brighten, renew and protect.” “Anti-aging.”

The ads sound too good to be true. BB (stands for beauty balm) and CC (stands for color corrector or complexion corrector) creams claim to be all-in-one moisturizer, concealer, foundation and sometimes sunscreen.

What are they, really? Do they contain harmful chemicals? Are they better than the stuff on your dresser and in your bag? We researched the formulations of more than 100 BB and CC creams and found, to our surprise — Some BB/CC creams may be a good choice – if you do your homework.