进入冬季之后,不少老年人的皮肤就开始瘙痒起来。有人误认为是洗澡次数较少引起的,于是就经常洗,甚至某些人天天洗,还用毛巾使劲搓。其结果是越洗越痒。这是为什么?原来人的皮肤在新陈代谢过程中,表面形成了一层乳化的脂质膜,它具有防止皮肤水分过度蒸发、保持皮肤柔软润滑的作用。然而,人步入老年之后,不仅身体内各器官的生理功能都发生了退行性变化。皮肤也和这些器官一样,随着年 After entering the winter, many elderly skin began to itch up. Some people mistakenly believe that the number of bathing caused less, so often wash, and even some people wash every day, but also with a hard towel rub. The result is more wash more itchy. This is why? The original human skin in the metabolic process, the surface formed a layer of emulsified lipid membrane, it has to prevent excessive moisture evaporation of the skin to keep the skin soft and lubricating effect. However, after entering the old age, not only the physiological functions of various organs in the body undergo degenerative changes. The skin is like these organs, with years