A pharmaceutical or cosmetic carrier or composition for topical
application characterized by rheological properties which render the
carrier or composition semi-solid at rest and a liquid upon application
of shear forces thereto. The composition or carrier are prepared by
mixing 1-25 percent of a solidifying agent and 75-99 percent of a
hydrophobic solvent, by weight, wherein at least one of them has
therapeutic or cosmetic benefits, in the presence or absence of a
biologically active substance.