Fat molecules contain three ester links ... The non-polar tail of the molecule can be called hydrophobic as it is repelled by water. However, the polar, ionic head is hydrophilic and does dissolve ...

This is because they are two-faced molecules, with hydrophilic (water-loving) phosphate heads and hydrophobic (water-fearing) hydrocarbon tails of fatty acids. In water, these molecules ...

Fats and oils, important compounds in our diet ... Soaps, detergents and emulsions Soaps and detergents contain both hydrophobic and hydrophilic parts to dissolve in grease and water.