tòu / míng / zhì / suān / cháng / yòng / yú / hù / fū / pǐn / zhōng / néng / gòu / bǎo / shī / bǔ / shuǐ透明质酸常用于护肤品中,能够保湿补水。Hyaluronic acid is commonly used in skincare products and can moisturize and hydrate the skin.