Brand from South Korea: CNP Laboratory. Benefits:A hypoallergenic tightening ampoule that infused with retinol to help restore skin elasticity by improving the core of the skin.Formulated with PCL(polycaprolactone), a bio-friendly ingredient, to systematically improve skin elasticity from within.Contains two types of peptides that help soothe the skin and strengthen the skin barrier, helping maintain skin elasticity from the core.Dermatologist tested for skin irritation. Suitable for use on sensitive skin.Light yellow, moist lotion-type formulation that gently absorbs into the skin.How to use:After cleansing and toning, apply a moderate amount of the ampoule to your entire face and gently tap the skin for absorption.