Patchouli oil is widely used in the fragrance industry for its rich, earthy, and musky aroma. It is a key ingredient in perfumes, colognes, and scented products like candles and soaps. In aromatherapy, it is valued for its calming and grounding properties, often used to reduce stress and anxiety. The oil also has applications in skincare, where it helps to soothe irritated skin, reduce inflammation, and promote wound healing due to its antiseptic and anti-inflammatory properties. Additionally, it is used as a natural insect repellent to deter mosquitoes and other pests. In traditional medicine, patchouli oil is sometimes employed to alleviate symptoms of colds, headaches, and digestive issues. Its versatility makes it a popular choice in both personal care and wellness products.