Laundry additive is a term used to describe products that are added to the washing process to enhance the cleanliness and appearance of clothes. The three most common laundry additives are BLEACH, SOFTENER, and bluing. BLEACH is a chemical compound used to whiten and disinfect fabrics. SOFTENER is a product that helps reduce static cling and makes fabrics feel softer. Bluing is a chemical that is used to give fabrics a brighter, whiter appearance.