DevaCurl Buildup Buster - 236ml Gentle Clarifying Cleanser DEVACURL Buildup Buster Gentle Clarifying Cleanser is new for ultimate Curl Flexibility. Our formulas are dermatologist co-developed, backed by science and stylist approved. Make a fresh start. This non-stripping cleanser with the Clarifying Complex helps remove product buildup on all curl types. This non-stripping cleanser with the Clarifying Complex helps remove product buildup on all curl types. Use Use as needed in place of your regular cleanser. Use our “scrub in/scrub out” method: apply to scalp and scrub in with fingertips. Scrub out while rinsing thoroughly. Follow with your favorite DevaCurl® conditioner or treatment.