皮肤是人体最大的器官——成人的皮肤大约有2平方米,重量约为3.6千克。皮肤保护着我们的内部器官,产生维生素和矿物质,提供触觉的反馈,还帮助我们保留体内的水分,这就是为什么保持皮肤的湿润那么重要的原因了。不过我们的皮肤并不是一成不变的,它在不断地更新,就在前一分钟,你就有4万个皮肤细胞脱落。如果要完全换一身新皮肤, Skin is the largest organ in the body - about 2 square meters of adult skin weighs about 3.6 kg. Skin protects our internal organs, produces vitamins and minerals, provides tactile feedback, and helps us retain body moisture, which is why it’s so important to keep the skin moist. However, our skin is not static, it is constantly updated, in the last minute, you have 40,000 skin cells fall off. If you want to completely change a new skin,