Health and Beauty Ear Care Otosan Otosan Atricular Drops 10 ml OTOSAN ATRICULAR DROPS, a natural detergent, made according to an ancient herbal recipe, which combines the hygienic and soothing action of the three essential oils, with the soothing and emollient action of sweet almond oil. OTOSAN DROPS is indicated for a better hygiene of the ear and, used together with the OTOSAN CONE, increases the efficiency.