Oti FAES BoriSEC® is an otic spray with boric acid; which dries excess water from the external auditory canal and relieves the sensation of a clogged ear due to the water that can accumulate during daily hygiene, practicing water sports or after staying in humid environments. Benefits: Evaporates excess water. Recovers its physiological pH. Protects the skin that covers it. How to use: It is administered using a spray with an applicator that is specially designed for use in the external ear canal.