 "Me Haces Falta" is a latin pop ballad, with a length of three minutes and thirty-seven seconds (3: 37). Its instrumentation consists of drums, cello, bass and guitar. Estéfano wrote the lyrics to "Me Haces Falta", while Anthony composed its music. Both co-produced the song together, while Julio Reyes provided the arrangement. Bruce Swedien and Peter Wade recorded Lopez's vocals for the song at Midnight Blue Studios in Miami, Florida, while its mixing was done by Reyes and Swedien.
