“Jejuon Cuthera Green Mandarin Toner” is a Korean skincare product from the brand Jejuon. It is described as a toner that contains green mandarin extract from Jeju Island, a region known for its clean and pure environment. The toner is marketed as a gentle, nourishing and hydrating product that helps to balance and revitalize the skin. The green mandarin extract is a key ingredient, and is known for its high vitamin and antioxidant content, which may help to protect and improve the skin’s overall health. The toner may also contain other nourishing and hydrating ingredients, such as hyaluronic acid or glycerin, to further enhance its benefits.