Diethylamine salicylate is widely used in the pharmaceutical and personal care industries. It serves as an active ingredient in topical analgesic and anti-inflammatory formulations, providing relief from muscle pain, joint discomfort, and minor injuries. Its salicylate component helps reduce inflammation, while the diethylamine enhances skin penetration, ensuring effective delivery of the active compound. Additionally, it is incorporated into medicated creams, ointments, and gels for treating conditions like arthritis, sprains, and back pain. Its soothing properties make it a common choice in over-the-counter pain relief products.