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Hard water contains high levels of these cations. Anionic surfactants are the most common surfactants in laundry detergents. emulsifying oil and clay soils, fabric softener residue, and are high sudsing. ether sulfates such as sodium lauryl ether sulfate (SLES). (charged particles) in hard water.
2 Figure 2: Cleaning action of surfactants Examples Surfactants are either derived from petrochemicals, vegetable oils or animal fats, or combinations of these sources. There are three main types of surfactants used in laundry detergents: anionic, non-ionic and cationic.