Whether you regularly get highlights or are new to the service, you may have the same question: do I need partial highlights or full? When you decide to color your hair, it may feel like there are endless terms that you need to know — balayage, foilyage, toning, gloss, root smudge, partial highlights, full head highlights. Depending on each hairstylist or salon, you may be required to specify the exact service when booking or simply rely on what your stylist suggests — but if you want to…