"姝（Shu）" is usually used as part or full name of a female name, which means beautiful, elegant and dignified. This word is also often used in ancient literature works to describe the female beauty and manners. Sure means certain, certain and certain meaning, and SmartSure Zhishu, as a complex of recycled collagen and hyaluronic acid, means that it must be a large collagen anti-aging single product developed for women.