玻璃酸(hyaluronic acid,HA)又称透明质酸,目前国际上常用作眼科手术辅助药,并为化妆品中的一种优良天然保湿剂。作为药物,国内正在研制,现已进入临床试验阶段;作为化妆品的一种成分,已开始较广泛的应用。HA 是一种粘多糖类物质,分子量较大,粘稠性强,在进行卫生检验预处理时,若用普通方法需要6～8h 才能完全溶解,而按文献规定检验不得超过 Hyaluronic acid (hyaluronic acid, also known as hyaluronic acid, currently used internationally as auxiliary ophthalmic surgery, and cosmetic good natural moisturizer. As a drug, the domestic is being developed, has now entered the clinical trial stage; as a cosmetic ingredient, has begun a wider range of applications. HA is a mucopolysaccharide material, a larger molecular weight, strong viscosity, during the health inspection pretreatment, if the ordinary method takes 6 ~ 8h to completely dissolve, according to the provisions of the literature shall not exceed the inspection