Powerful cleaner - no bleach harshness. Hydrogen peroxide formula releases thousands of micro bubbles that penetrate to dissolve lime scale and rust stains in the toilet bowl without leaving a harsh chemical residue. Contains no chlorine bleach. Leaves a fresh clean scent. No gloves or mask needed. Application: Bowl Cleaner; Applicable Material: Ceramics; Enamel; Metal; Chemical Compound: Hydrogen Peroxide; Alcohols; C10-16; Ethoxylated; Sulfates; Sodium Salts; Sodium; 4-Undecan-3-Ylbenzenesulfonate; Dirt Types: Grime; Mildew; Mineral Scale; Mold; Organic Matter; Rust; Soil; Stains.