Brand from South Korea: 11Huesday. Provides intense hydration that penetrates deep into skin and strengthen the skin s moisture barrier. Enriched with Amaranth oil to retain moisture in skin for a long period of time and prevent skin oxidation for smooth and silky skin. How to use: 1. After toning, at the step of applying serum, take a moderate amount and apply to the entire face. 2. Gently tap with your fingertips for better absorption.