MRS. MEYER'S CLEAN DAY LAVENDER TOILET BOWL CLEANER REMOVES STAINS AND FRESHENS SURFACES WITH PLANT-DERIVED INGREDIENTS, NATURAL LACTIC ACIDS AND NATURAL ESSENTIAL OILS. OUR EFFECTIVE FORMULA IS FREE OF CHLORINE, HARSH MINERAL ACIDS AND FORMALDEHYDE. EACH 24 OZ. BOTTLE OF TOILET BOWL CLEANER IS CERTIFIED CRUELTY-FREE.