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Glossary Pityriasis Alba

common skin condition with round, scaly, light patches

Pityriasis Alba is a common skin condition typically seen in children and young adults, characterized by the appearance of round or oval, slightly scaly, hypopigmented patches on the face, neck, and arms. These patches are usually more noticeable after sun exposure and are thought to be related to eczema, though the exact cause is not well understood. The condition is generally harmless and often resolves on its own without treatment.