In Indonesia and Southeast Asian countries, kaffir lime leaves have long been known as a cooking ingredient that provides a distinctive aroma and taste. But now, its popularity has gone beyond regional boundaries. In various countries outside Southeast Asia—such as the United States, Australia, England, and other European countries—kaffir lime leaves are increasingly well-known, both among professional chefs and home cooks. Its role in the global culinary world continues to grow as interest in exotic foods and natural ingredients increases.

1. Essential Ingredients in Asian Cuisine at International Restaurants
   Thai, Indonesian, and Vietnamese restaurants spread across the world often use kaffir lime leaves in signature dishes such as Tom Yum, Green Curry, or Beef Rendang. Chefs abroad have adopted the leaves as an essential, irreplaceable component. Kaffir lime leaves help to provide the much-needed authenticity to replicate authentic Asian cuisine abroad.
2. Exotic Ingredients in Western Kitchens
   Chefs abroad are experimenting with kaffir lime leaves in a variety of fusion creations, from kaffir lime-flavored salad dressings, kaffir lime sorbets, to cocktail infusions. In fine-dining restaurants, the leaves are used as an aromatic seasoning in seafood sauces, soups, and even grilled meats to give an exotic and unique touch.
3. Dried Products and Extracts for the Global Market
   Because of the difficulty in obtaining fresh kaffir lime leaves in some countries, many Asian grocery stores and e-commerce sites now carry dried, frozen, or paste versions. Kaffir lime leaf extract is also available as an essential oil used for cooking or aromatherapy. Demand for this product is increasing as Asian cuisine grows globally.
4. Use in Aromatherapy and Personal Care Products
   Overseas, kaffir lime leaf essential oil has entered the natural beauty and health market. Products such as herbal soaps, massage oils, aromatherapy candles, and bath salts use extracts of this leaf for its refreshing aroma and relaxation benefits. In countries such as the United States and the United Kingdom, the “wellness” trend has made plant-based products such as this increasingly popular.
5. High-Value Export Commodity
   Due to increasing global demand, kaffir lime leaves are now one of the export commodities from producing countries such as Indonesia, Thailand, and Vietnam. Kaffir lime leaf products (fresh or dried) are one of the mainstays in the globally oriented Asian spice and herb export market, especially to North America, Europe, and Australia.