Hair goo is a term used to describe a variety of styling products used to create different hairstyles. The three most common hair goos are Gelee (5 letters), GEL (3 letters) and POMADE (6 letters). Gelee is a thick, jelly-like substance that is used to hold hair in place and give it a glossy finish. GEL is a liquid product that is used to give hair a wet look and hold it in place. POMADE is a wax-like product that is used to give hair a slick, shiny look and hold it in place.