Despite the name, the common form of sugar soap contains no sugar. The name comes from the way it looks: The powdered form resembles sugar crystals. Although the main ingredients are sodium carbonate, sodium phosphate and sodium silicate. Sugar soap is a cleaning agent and can be effective for removing stains, grease, and loose paint flakes. It can be useful for removing odours and mould stains but will not kill the mould or the mould spores.
