Question

What are the advantages of synthetic detergents compared to ordinary soap?

Answer 1

Soaps and detergents behave differently in hard water.

Soaps form a scum in hard water and this scum will not rinse away easily and is known to turn laundry a grayish hue. The insoluble film it leaves can leave a residue on our laundry much like you would see in a shower stall where hard water is present.

Detergents react less to minerals in water and do not leave this residue.

Another disadvantage cited with soaps is that they "will deteriorate in storage and lack the cleaning power when compared with the modern synthetic surfactants.Because of this, detergents have steadily become the cleaning agent of choice since World War II, because for all practical purposes - synthetic or not, they will leave your laundry cleaner.