在选用化妆品时,人们往往注重适合自己皮肤的特性和产品的性能,而更深一层的知识却不容易认识,那就是化妆品符合人的生理环境需求的问题。化妆品的目的是保护和营养皮肤、头发,有益健康,它与人长期、连续、直接地接触,所以要求它安全、无毒无害。但是,现代化妆品的主体原料及其添加物,大部分是合成产品,既然是合成产品,就或多或少存有对人有害的物质。如果长期使用此类化妆品,通过皮肤的吸收,对人的各大组织、器官都会造成深浅不一的危 In the selection of cosmetics, people tend to focus on the characteristics suitable for their own skin and product performance, and a deeper level of knowledge is not easy to understand, that is, cosmetics meet the needs of human physiological environment. The purpose of cosmetics is to protect and nourish the skin, hair, wholesome, it is long-term, continuous and direct contact with people, so it is safe, non-toxic and harmless. However, the main ingredients of modern cosmetics and their additives, mostly synthetic products, since it is a synthetic product, there are more or less harmful to human beings. If long-term use of such cosmetics, through the skin’s absorption, the major organizations of human beings, organs will cause different levels of danger