SARAH JESSICA Parker, 42
A source says Parker has been getting Sapphire 3 Photo Abrasion facials, which use light therapy to promote collagen production in the skin.
KIM CATTRALL, 51
"I do a lot of cardio—I literally work my ass off!" she says. She also sees a dermatologist and gets weekly massage treatments to keep her skin looking young.
KRISTIN DAVIS, 42
Running, Pilates and yoga keep Davis fit, and "this is the healthiest set I've ever been on," she says. "We eat, but we eat healthy." Her favorite snack? Green Bars.
CYNTHIA NIXON, 41
"My hair is not normally red," says the natural blonde. "I had to dye it, and that was a shock. It was like, 'Wow. I haven't looked like this in a while!'"
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