1 Sodium nitrate is a type of salt, naturally found in Chile and Peru. 2  It can also be created in a lab. 3  Sodium nitrite is also a type of salt, but is not found naturally and is created in a lab or as a byproduct of two other chemical reactions (i.e. when sodium nitrate is added to food and reacts with existing chemicals).
Eczema on the ear or in the ear can initially be caused by the skin being extra sensitive. Often the natural oil is stripped away through over cleaning or aggravated by getting water in the ear, wearing ear plugs, using cotton swabs or Q-tips or from the chemicals in shampoos, soaps and even hair spray.
A. A. Eczema is a term for a group of medical conditions that cause the skin to become inflamed or irritated. The most common type of eczema is known as atopic dermatitis, or atopic eczema.Atopic refers to a group of diseases with an often inherited tendency to develop other allergic conditions, such as asthma and hay fever.. A. Eczema is a term for a group of medical conditions that cause the skin to become inflamed or irritated. The most common type of eczema is known as atopic dermatitis, or atopic eczema.