WHAT IT IS Buildup Buster is for anyone whose curls are feeling weighed down dull and undefined as a result of buildup from product hard water or environmental stressors. WHAT IT DOES Even if you are a DevaCurl loyalist it is a great way to bring the bounce back to lifeless waves and curls. Unlike traditional clarifying shampoos that are irritating and drying to the hair and scalp Buildup Buster rsquo s gentle deep cleansing formula thoroughly removes buildup without stripping away essential moisture while adding shine and bounce.