Want to know the secret to silky-smooth and radiant-looking skin? The good news is, it’s surprisingly simple – regular exfoliation. Exfoliating, for the uninitiated, removes dead cells from our skin’s outer layers, improving both its appearance and feel. Goodbye dry and dull-looking skin! But how often we exfoliate is key, since too much exfoliation can result in redness, peeling or irritation, and too little means we won’t enjoy any of the benefits. Here’s what you need to know.