hydro phobic = water hating Water is polar so a hydrophobe is non polar Hydrophobic means 'non polar' because it is expelled by polar solvents like water
Lipids, man! Could be the phospholipid bilayer of a cell membrane to be more specific.
That is a phospholipid and they are used for myelin coatings in the brain and for cell membranes.
LIPIDS are the biomolecule which has polar head and non polar tail