When it comes to our faces, we don't rely on just anyone to tell us what our skin needs to get that ever-elusive glow. Instead, we turn to skin care veteran (and celebrity fave!) Renée Rouleau, who knows it takes more than just the right products to look radiant. Each week, she'll be serving up her expert tips to keep your complexion in tip-top shape.

Sure, we'd all love to look younger than we are. And, even if you're diligent about taking care of your skin, a little thing called heredity - your genetic programming that controls the hormones responsible for aging - inevitably steps in.

Because hormones can fluctuate dramatically from decade to decade, your skin will behave differently as you age. Here, I've broken down what you can expect, along with my expert advice on how to keep your skin healthy, clear, and radiant - now and forever.

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Photo Credit: Illustrated by Sydney Hass, Courtesy of Refinery 29