What Deficiency Causes Split Lips? The Nutritional Connection
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4 min read
According to research published in the journal *Cutis*, deficiencies in several vitamins and minerals, including B vitamins, iron, and zinc, are crucial for healthy lip skin. So, **what deficiency causes split lips**? While environmental factors play a major role, persistent or severe cases can often be a warning sign of an underlying nutritional imbalance that demands attention.
