It was by observing the ears of divers that the cerumenolytic properties of sea water were discovered.

In fact the ions and trace elements found in sea water have biophysical properties which favour the dissociation and breakdown of the constituent elements of cerumen (triglycerides, fatty bodies, cholesterol, skin flakes ...).

Based on this, the DIEPHARMREX Laboratories were able to develop and patent AUDISPRAY, more than 20 years ago