The Mask is a non-hazardous bleach friendly additive with a pronounced fresh lemon scent designed to mask bleach odors. Thick lemony foam generated with your bleach cleaning solutions will enhance the cleaning process saving time and exspense. Thicker foam will aid in extending the contact time of your Sodium Hypochlorite "bleach" to cling onto roofs, walls, etc. The Mask contains an extra penetrating surfactant to accelerrate a more effective advanced bleach cleaning along with a pleasant lemon scent that pleases both the applier as well as the home owner. Can be used in most house and roof cleaning solutions, with or without bleach.