The invention provides a skin-revitalizing cosmetic composition for alleviating or eliminating skin problems such as dry skin, wrinkles, and age spots, the composition containing a skin-revitalizing agent at high concentration. The skin-revitalizing cosmetic composition contains a skin-revitalizing agent selected from the group consisting of aloe extract, placenta extract, hydrolyzed elastin, hydrolyzed collagen, and sodium hyaluronate, wherein the skin-revitalizing agent is in the form of nanoparticles obtained through a nanoparticle-forming treatment.
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