Western women age faster because they spend more time in the sun. Asian women try to avoid the sun at all costs. In fact it's a sign of class division in China how dark you are. The peasant women are in the fields all day getting tanned while the richer city women are indoors and wear hats. Their paleness signifies their social status.
not always. Look at Ana Ivanovic, she is exposed to the sun all the time, but her skin is still super beautiful. And what is more, for Western women/men, no matter how long they exposed to the sun, some of them still never get dark. Look at Roddich, his skin colour is still so white
