What type of product is recommended for a patient with eczema to alleviate xerosis?

For a patient with eczema experiencing xerosis, a petroleum-based product is recommended due to its occlusive properties, which help to lock in moisture within the skin. Eczema is characterized by dry, inflamed skin, and its management focuses on restoring the skin barrier and preventing moisture loss. Petroleum jelly or similar products form a protective layer on the skin, significantly reducing trans-epidermal water loss and providing hydration.

While options like water-based lotions or natural oils can provide some relief and hydration, they are generally less effective for severe dryness compared to petroleum-based products. Water-based lotions may evaporate quickly and not form a long-lasting barrier, and natural oils may not have the same occlusive properties as petroleum, which means they don’t protect the skin as effectively. On the other hand, alcohol-based toners can further dry out the skin and irritate it, making them inappropriate choices for someone with eczema. Thus, a petroleum-based product is particularly beneficial for maintaining skin moisture and helping alleviate symptoms of xerosis associated with eczema.