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 Ear. Eczema on the ear can be particularly uncomfortable because of the extreme itchiness it can cause and the likelihood of an infection developing when the skin is damaged. The ear also becomes more prone to invasion by bacteria or fungus.
Scalp eczema is a type of eczema that causes inflamed, itchy, dry skin to form on your scalp. The most common type of scalp eczema is known as seborrheic dermatitis, and its most unwelcome symptom is dandruff. When a baby's scalp gets this scaly, flaky skin, it's often called cradle cap. Scalp Eczema Symptoms.