Limau Kasturi, also known as kaffir lime, is a citrus fruit native to Southeast Asia. It is widely used in regional cuisine for its unique fragrance and tangy flavor. The benefits of Limau Kasturi include its rich vitamin C content, which can boost the immune system, promote skin health, and provide antioxidant properties. Additionally, its aromatic leaves are often used in cooking to add a distinctive citrusy essence to dishes.