The Biggest Skin-Care Mistake Every Woman Makes

Photographed by Winnie Au. Your skin-care routine -- not that hard of a concept to master, right? Wash your face, slap on some moisturizer, maybe a treatment every now and then? In theory, skin care is supposed to be idiot-proof, provided you have a super-simple routine. For those of us who have expanded our regimens beyond the usual soap-water-moisturizer approach, there's actually a bit more to it. As we've gotten more involved with our skin, the question of which order to put on our products ...