Brand from South Korea: Meditherapy. Benefits:Hydration boosting serum that helps lock in moisture to keep the deep layers of skin hydrated.Exclusive HyalBlock ingredient that synergize with Low Molecular Weight Hyaluronic Acid and Ectoin to effectively hydrate, protect skin, and block transepidermal water loss.Watery lightweight texture easily and quickly absorbed by skin, leaving no sticky residue even when layered.Completed skin irritation test.How to use:Apply an appropriate amount on clean skin at the first step of skincare routine, gently pat to aid absorption. Layer to boost hydration.Can be mixed with matte foundation to add hydration and boost product adhesion.