Moisture is an enduring topic.The skin would look fine and smooth if it is moisturized well.The skin evolves a set of its own moisturing system in the long-term evolution.Dermis is the source of water,stratum germinativum is the canal and stratum corneum is the dam.The way of moisturizing cosmetic design should be based on the mechanism of skin moisturizing system during developing a moisturizing cosmetics suitable for the skin need.%保湿是一个经久不衰的皮肤护理话题,皮肤保湿性好,看上去就会水润、细腻和透亮。皮肤在长期进化过程中演化出一整套自身的保湿系统。真皮层是这一系统的水源,基底膜是水渠,角质层是水坝,它们共同组成了皮肤保湿系统。保湿护肤品设计要尊重这一保湿系统的作用机理,以维护、强化皮肤自身保湿系统为切入点,才能开发出适合皮肤需要的护肤品。
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