The disclosure relates to a cosmetic composition comprising mesoporous titania with a particle size optimized to provide UV light absorption without the risk of penetrating the skin and to methods for preventing or reducing ultraviolet radiation damage to the body. The particle size of the mesoporous titania is typically from about 0.3 microns to about 250 microns. The pore size of the mesoporous titania is typically from about 2 nm to about 100 nm. The crystallite/wall size of the mesoporous titania is typically from about 2 nm to about 200 nm.