Leaves surfaces sparkling clean Mould and mildew are types of fungi which can thrive in humid, damp areas around your home including bathrooms, kitchens and garages. Household mould is not only unsightly; in some cases it can cause allergic reactions or infections. Dettol Mould and Mildew Remover Spray is specially formulated with a powerful bleach to easily remove even ingrained mould and mildew. It kills 99.9 percent of bacteria and viruses. Protect your home from harmful bacterial with Dettol.