MYTH: Looking old is all about wrinkles.
REALITY: According to Dr. Brandt, women tend to spend too much time focusing on tiny fine lines that don't have a big impact on their appearance. "It's the changes in the shape of your facesunken cheeks, undereye hollowingthat really show your age." After 40, most women get more "bang for their buck" with hyaluronic acid–based products like
DermaDoctor's Wrinkle Revenge Serum ($65;
dermadoctor.com), which plumps up the entire face.