Brand from South Korea: rdrd. Benefits:This serum strengthens the skin barrier, calms irritated skin, and offers deep hydration.Formulated with Malus Domestica Fruit Extract, Succinic Acid, Ceramide and 2 types of Hyaluronic Acid to repair the skin barrier, relieve skin redness and irritation, and deliver moisture deeply to the skin.A two‑layer serum with 5% oil and 95% water to provide deep hydration and calm irritation.Features a watery texture that leaves a refreshing, non‑sticky finish.Skin irritation test completed.How to use:1. Shake the product before use.2. After toning, apply a moderate amount to the skin and blend evenly along the skin texture.