If I were queen of the world, my first decree would be that all people who choose to wear makeup must do so in conjunction with a makeup primer. (…And then, you know, I’d tackle the whole global ...

Q: I am planning to paint the living room and recently found out that it’s recommended to use a primer before painting. What is paint primer, is it really necessary, and how long does primer take to ...

This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...