What is the main cause of eczema?

Dr Sarah Jarvis MBE The oily (lipid) barrier of the skin tends to be reduced in people with atopic eczema. This leads to an increase in water loss and a tendency towards dry skin. Also, some cells of the immune system release chemicals under the skin surface, which can cause some inflammation. For more information, go to https://patient.info/health/atopic-eczema