Previous page Next page 1 Clinical Test 1 2 Oil Control 3 Clinical Test 2 4 Cool Texture Previous page Next page 1 Key Ingredient 2 Ingredient Information 3 Benefits 1 4 Benefits 2 5 Soothe your Skin Previous page Next page What is Jeju? Jeju, often referred to as Jeju Island, is a South Korean island located in the Korea Strait, southwest of the Korean Peninsula. It is the largest island in South Korea and is well-known for its unique culture, natural beauty, and volcanic landscape. What is Jeju sourced tea tree complex and heartleaf cordata extract? "Jeju sourced tea tree complex" refers to skincare and cosmetic products using tea tree oil or extracts from Jeju-grown tea trees. Tea trees in Jeju benefit from fertile volcanic soil, clean air, and pristine water, yielding higher-quality extracts. Can this be used on sensitive skin? Of course, our product contains heartleaf extract and tea tree ingredients as a vegan formulation, which can relieve your skin quickly. We have also passed skin sensitivity tests, non-comedogenic tests, and skin temperature reduction (cooling) tests. How do I know if this product is authentic? To ensure the authenticity of the product, please make sure you are purchasing from CJ Oliveyoung Official. The authenticity of the product cannot be guaranteed when purchased from sellers other than CJ Oliveyoung Official.