In Korean skincare, a "sheet mask" is called 시트 마스크 (si-teu ma-seu-keu). This popular beauty treatment involves a thin sheet (often made from cotton or hydrogel) soaked in a nourishing serum. When placed on your face, it provides deep hydration, brightening, or other specific skincare benefits, depending on the mask's formula. Known for their convenience and effectiveness, sheet masks are a go-to for skincare lovers looking to pamper their skin.
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