Taper Fade Haircuts By KSI Barber Experts WHAT IS KSI HIGHLIGHT? Take a look at the before and after pictures, and you will see that a regular haircut is no match for a KSI Highlight Image. KSI Highlight is a barber color that adds a sharper and more defined edge to the haircut, as well as gives a natural shine to the hair and beard. KSI Highlight doesn’t require any mixing or washing. Just brush on the product in the desired area and it dries instantly.