Composition useful for human skin whitening comprising vaccinium bracteatum thunb extract

PURPOSE: A cosmetic composition containing a Vaccinium bracteatum Thunb. extract is provided to suppress human tyrosinase activity and melanogenesis and to ensure a skin whitening effect. CONSTITUTION: A cosmetic composition for skin whitening contains a Vaccinium bracteatum Thunb. extract. The extract is prepared from Vaccinium bracteatum Thunb. leaves, roots, stems, or a combination thereof except for Vaccinium bracteatum Thunb. seeds or fruits. The cosmetic composition contains an Abies koreana Wilson extract, an Acer palmatum Thunb. extract, or a combination thereof. A method for preparing the cosmetic composition comprises: a step of drying and pulverizing the Vaccinium bracteatum Thunb. leaves, roots, stems, or a combination thereof; a step of extracting the Vaccinium bracteatum Thunb. leaves, roots, stems, or a combination thereof using a solvent; and a step of concentrating the extract by decompression. [Reference numerals] (AA) Vaccinium bracteatum