The Wall Street Journal reports on how Procter & Gamble has made use of genomic advances with "new ways to develop dandruff shampoo, skin cream and toothpaste," the story says. The work began a decade ago and today, "those efforts are starting to hit store shelves." Exhibit A: Olay Pro-X, a skin cream that P&G scientists say is based on gene expression studies to determine the differences between old and young skin, and how to make the former appear like the latter.