The nation’s largest retailer is increasingly competing with beauty retailers such as Ulta and Sephora.

Advent calendars, which help brands market directly to consumers, are big business. Social media has a lot to do with their popularity.

The FDA hasn’t approved ingredients that could make products more pleasing to use — and used more often, says Amanda Mull of The Atlantic.

It’s rebounding after sales in the U.S. prestige beauty market declined almost 20% last year, according to the NPD Group.

Companies have created a new form of convenience with personalized products.

We talk with the CEO of Birchbox, which is opening kiosks at select Walgreens and Duane Reade locations.

"I set out to get safer products into the hands of everyone," Gregg Renfrew says.