Inherited ichthyosis vulgaris is a genetic issue. Babies develop it while inside the womb, and it is passed through the genes of one or both parents. As a result, the skin lacks filaggrin, a protein needed to create the healthy outermost layer of skin. Acquired ichthyosis vulgaris is usually triggered by disease. Some of the conditions that can lead to this particular condition include different types of cancer, long-term kidney failure, sarcoidosis, and infections like HIV and leprosy.
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