Top 5 Allergens in Soaps that Cause Dermatitis | HowStuffWorks
This bar of soap may look harmless, but it could be packed with allergens that can cause dermatitis. ... What is dermatitis? Dermatitis is a symptom, not a disease, and the word can apply to a wide range of skin conditions. Essentially, dermatitis is any inflammation of the skin that leads to redness, scaling, itching or tiny fluid-filled blisters.