... just the surfactant - contain several components. Three main ingredients are builders (50% by weight, approximately), the alkylbenzenesulfonate ... . Typical builders are sodium carbonate, complexation agents, soap, and zeolites. They function by sequestering or precipitating ... tannins, humic acids, and carotenoid pigments. Most bleaches in laundry detergents are oxidizers, e.g., sodium perborate ...