A ready-to-use wood cleaner for Western Red Cedar, Redwood, Walnut, Mahogany, Southern Yellow Pine, Douglas Fir, Spruce and Cypress. Cedar Wash removes wood extractives, resin oils, dirt, dust, and pollen from bare wooden surfaces. These blemishes may interfere with adhesion of exterior stains. Cedar Wash should only be used on bare wood surfaces for stain preparation. Cedar Wash will not harm existing wood finish, chinking or sealants.