What is philippine lemon?

Philippine lemon is a citrus fruit that is native to the Philippines and other parts of Southeast Asia. It is also known as calamansi and is commonly used in Filipino cuisine and traditional medicine. The fruit is small with a thin, smooth, and glossy skin that is green when unripe and turns orange-yellow when ripe. The flesh inside is juicy, acidic, and contains many seeds. Philippine lemon is rich in Vitamin C, flavonoids, and antioxidants, making it a beneficial fruit for enhancing the immune system, improving digestion, and preventing chronic diseases. It is often used as a marinade for meat and fish, added to sauces and dressings, and used to make refreshing drinks. The juice and zest of the fruit are also used in cosmetics and skincare products.