:The advanced formulation cleans & protects further formation of yellow scales, stubborn stains, and soil depositions up to 100 Flushes. • Formulated with completely Biodegradable Green Acid • Can be used for all non-porous surfaces and ceramic surfaces like toilet bowls, wash basins, sinks, etc.. • Green Chemistry | No acidic fumes | Pleasant Fragranc https://www.vooki.in/collections/home-care-products/products/toilet-bowl-cleaner