6月21日夏季过去了,这几天美容院的客人又多起来了,祛斑的、祛痘的,更多的则是那些在夏日里肌肤受损的女性们。早上,我接待了一位姓俞的女孩子,她告诉我前些日子去外地旅游,回来后,脸上便发红、发痒,这几天又有少量脱皮,皮肤也变黑了,为此,她十分苦恼。她说其实出去之前她也涂防晒霜、撑遮阳伞的,可为什么一点效果都没有呢?我告诉她防晒霜只能阻隔60—80％的紫外线,而且是有时间限制 On the 21st of June, the summer passed. In the past few days, the beauty salons guests are getting more and more freckle and acne, and more are the women whose skin is damaged during the summer. In the morning, I received a girl surnamed Yu, she told me to travel a few days ago to the field, came back, his face will be red, itchy, these days a small amount of peeling, the skin is also dark, as This, she is very distressed. She said she actually painted sunscreen before she went out, but why did she not have any effect at all? I told her that sunscreen can only block 60-80% of UV rays and there is a time limit