水能维持人体正常的消化吸收功能和血液输送营养物质的功能,还能维持正常的排泄功能和调节人的体温。人的一切生命活动都离不开水.但这里仅想谈一下洗浴用水与皮肤健美的关系.我们常用的水是有一定硬度的。硬度取决于钙盐与镁盐含量的多少,含量越多,水的硬度越大.一般认为,在自然界中井水和泉水的硬度最大;水库里的 Water can maintain the body’s normal function of digestion and absorption of blood and nutrients transport nutrients, but also to maintain normal excretion and regulate body temperature. All human life activities are inseparable from the water.But here only want to talk about the relationship between bathing water and skin fitness.Our commonly used water is a certain degree of hardness. Hardness depends on the amount of calcium and magnesium salt content, the more the content, the greater the hardness of water is generally believed that in the well water and spring water maximum hardness of the reservoir