Mediheal is a popular Korean skincare brand known for its sheet masks and other skincare products. While they are well-regarded for their sheet masks, they also offer a lip balm. Unfortunately, specific details about the lip balm product, including its ingredients, materials, and user reviews, are not readily available in the search results. For the most accurate and up-to-date information, it is recommended to visit the official website of Mediheal or contact their customer service.