SPF, or Sun Protection Factor ,is a measure of how well a sunscreen will protect skin from UVB rays, the kind of radiation that causes sunburn, damages skin, and can contribute to skin cancer.
LL Cool J was born James Todd Smith on January 14, 1968, in Bay Shore, New York, the son of Ondrea Griffeth (born January 19, 1946) and James Louis Smith, Jr. In an episode of Finding Your Roots, LL learned his mother was adopted by Eugene Griffith and Ellen Hightower.
J Alvarez was born in Rio Piedras, Puerto Rico in December 1983. He first sang in front of a crowd at 12 years old in school. Through his cousin Alvarez met DJ Nelson and later signed with Flow Music in 2009.