"Kiss It Better" was written by Jeff Bhasker, John Glass, Teddy Sinclair and Rihanna, whilst production was handled by Jeff Bhasker and Glass John was responsible for additional production and drum programming.
Lyrically, the song focus on a destructive relationship that the singer knows is wrong for her, but one she finds irresistible, which can be seen in the lines, "Who cares when it feels like crack?."[REF]