Citronellic acid is widely used in the fragrance and flavor industry due to its pleasant citrus-like aroma. It serves as a key ingredient in the formulation of perfumes, colognes, and scented household products like soaps, detergents, and air fresheners. Additionally, it is employed in the food industry to impart a lemony flavor to beverages, candies, and baked goods.

In the agricultural sector, citronellic acid is utilized as a natural insect repellent. It is incorporated into products designed to deter mosquitoes, ticks, and other pests, offering an eco-friendly alternative to synthetic chemicals. Its antimicrobial properties also make it useful in the development of cleaning agents and preservatives.

Furthermore, citronellic acid is explored in the pharmaceutical and cosmetic industries for its potential therapeutic and skin-conditioning benefits. It is studied for its anti-inflammatory and antioxidant properties, which could be beneficial in skincare formulations and medicinal applications.