iiis made of a nonpolar alkyl hydrocarbon tail and a polar COONa head The nonpolar alkyl hydrocarbon tail is hydrophobic water hating and thus does not dissolve in water It dissolves in nonpolar solvent like grease oil and fat The polar COONa head is hydrophilic water lovingand thus dissolve in water When washing with soapy detergent the nonpolar tail of the soapy detergent surrounddissolve in the dirt on the garment greaseoil while the polar head dissolve in water