Petroleum jelly goes by many alternative names, but the most common are petrolatum and white petrolatum. The main difference? Purity. White petrolatum undergoes a stricter refining process ...

Petrolatum rarely causes hypersensitivity reactions. We report a case of a 51-year-old white man with allergic contact dermatitis due to white petrolatum on damaged skin. The patient, who ...

He had negative patch-test results for the whole battery of allergens applied to healthy back skin, including the many allergens dispersed in white petrolatum. Only patch testing with white ...