The UV-blocking cosmetic composition according to the present invention is not sticky, when applied to the skin, by comprising spherical titanium dioxide particles having a diameter of over 70 nm, even if large quantities of same are comprised in the composition. Accordingly, the composition has a high sun protection factor, high coverage, and excellent adhesion and can provide a fresh feel. Further, when filled in a carrier including a sponge, the composition facilitates moisture absorption into the sponge and thus exhibits an excellent filling capability. Therefore, the UV-blocking cosmetic composition according to the present invention can be provided in a formulation impregnated in a sponge and thus has excellent portability.
