THE CHEMISTRY OF SUNSCREEN. Sunscreen: (snskrn) n. Chemical or physical agents that protect the skin from sunburn and erythema by absorbing or blocking ultraviolet radiation. A preparation, often in the form of a cream or lotion, used to protect the skin from the ultraviolet rays of the sun.
The Llano County Courthouse in Llano. Llano County /ËlÃ¦noÊ/ is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2010 census, its population was 19,301. Its county seat is Llano, and the county is named for the Llano River. In 1869, pioneer rancher John Wesley Snyder led a cattle drive from Llano County along the Chisholm Trail to Abilene, Kansas.
Llano is located on the Llano River and is the county seat of Llano County. The city retains a significant portion of its western roots and historical flavor. New projects already begun in the city are building toward an enhanced quality of live and contributing to an outstanding future.