[1][2] The song was written by Paul Stanley, Desmond Child and Diane Warren.
[1] It was recorded by Paul Stanley on his own in July 1988 at New York's Right Track Studios.
According to The Official Price Guide to Kiss Collectibles by Ingo Floren, "Let's Put the X in Sex" and "(You Make Me) Rock Hard" "let some fans wonder about the new musical direction of the band" because they "were produced with lots of keyboards over a dance-orientated beat".
[3] The song was released in the United States as a cassette single in December 1988.
[3] Howard Johnson writing for Classic Rock ranked the song's video at No.