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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.
Builders in detergents also maintain alkalinity, which helps emulsify grease and prevents soils from being redeposited on clothing during washing and rinsing. Another difference between soap and detergents is the ingredients used to make each product. Most soap is made from natural ingredients such as coconut oil and potassium hydroxide. Detergents often contain synthetic ingredients such as dyes, sodium laureth sulfate, disodium phosphate and fragrances.