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 & Mildew Remover is specially formulated with a powerful bleach to easily remove even ingrained mould and mildew. It kills 99.9% of bacteria and viruses.