太阳的紫外线是皮肤晒黑和晒伤的原因。
Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤,因为黑色素的合成是需要时间的。
Although we talked about Vitamin D and sunlight, it can make a huge difference in how you feel if you go to a tanning salon to get some light on your skin.尽管我们已谈到维生素D和阳光,但是如果你刻意去参加日晒沙龙来摄取阳光到皮肤的话,它会让你感觉到巨大的差别。