1.   Are differences between humans only skin deep?

2.   Lately, though, the irritation has appeared to be mostly skin deep.

3.   Sadly, the tattoo is merely skin deep.

4.   Some moviegoers may wonder if the theme is, in fact, that beauty is indeed skin deep, just like this movie.

5.   The characters are barely skin deep, and Stoltz is way too remote and uncompelling as Zed.