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防晒和防护有什么区别
更新时间: 2020-11-09 00:00:00  

防晒是专职预防紫外线等光线对皮肤的伤害。防护的话就是大范围针对阳光,空气,粉尘等等对皮肤的伤害,作用跟隔离有些类似。

防晒防的是:UVA区,长波紫外线,它是令皮肤提前衰老的最主要原因,可穿透真皮层,使皮肤晒黑,并导致脂质和胶原蛋白受损,引起皮肤的光老化甚至皮肤癌。UVB区,中波紫外线,它可到达真皮层,使皮肤被晒伤,引起皮肤脱皮、红斑、晒黑等现象,但它可被玻璃、遮阳伞、衣服等阻隔。

关键词: 防护 什么 区别

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