The plug of earwax is one of the most treated pathologies in otolaryngologic clinics in the world because it can affect every person without distinction of age. Plugs of earwax contribute to the dysfunction of the eardrum by causing a pressure and a change of its vibrations, so contributing to an erroneous sound information and to a development of tinnitus.
Tinnitus (from ancient greek « ακούω » meaning «hearing » and « φωνή » meaning « voices ») is the perception of a sound which does not come from the outside. It is perceptible only by the affected subject and can take several forms: whistling, humming, ringing, crackling, pulsation, hyperacusis or even the sensation of having blocked ear. According to a scientific article published in 2013, 10 % a 15 % of the world population would suffer from tinnitus in a permanent, occasional or temporary way.
A study led during one year on 437 subjects affected by earwax plugs besides comes to confirm the link of cause with effect between excess of earwax and tinnitus: among all the caused inconveniences, 53.5 % of the subjects (that is 234 patients) declare to perceive noises in their ears: appearance of tinnitus.
Thus, Laboratory Mergens has specially developed the range of Auditory Comfort allowing to take care of ears for a better hearing comfort and a better quality of hearing. This range consists of 2 complementary hearing sprays: Cerufree® to maintain a daily hygiene of ears and Calmaspray® to restore the peace in ears.
 B. Langguth et al., Tinitus : caudes and clinical management, The Lancet Neurology (2013) vol. 12 p. 920-930
 W. Adegbiji et al., Earwax Impaction: Symptoms, Predisposing Factors and Perception among Nigerians, J Family Med Prim Care (2014 Oct-Dec); vol. 3(4) p. 379–382