Essence is one of Korea's best kept secrets and one of the most important steps of any K-beauty routine. Find out what is essence in korean skincare, and explore some of the best korean essence with Lengbox today. The essence step is the heart of Korean skincare, and it provides your skin with an injection of nutrients in one application. Shop the famous essence such as the snail serum essence from cosrx, or find an essence for combination skin, or a korean essence for oily skin. No matter your skin type, there is a essence suitable for all skin types. Get free samples with every order and free shipping over £45!