Valproate is a drug used in the treatment of various seizure disorders, bipolar disorder, migraine prophylaxis, and off label in many indications by various specialists. The common adverse drug reactions reported on valproate administration are tremor, weight gain, gastrointestinal disturbances, liver dysfunction, metabolic acidosis, thrombocytopenia, and hair loss. An internet search with keywords “valproate” and “hair” was done on Google Search and PubMed for articles related to the topic. Recognition of cosmetically significant side effects on hair is necessary and neglect of which might result in poor compliance. Valproate-induced hair loss is diffused, nonscarring, and dose related. Other hair-related adverse events are curling of hair, graying, dirty appearance, and changes in texture. In contrast to oral ingestions causing hair loss, experiments with topical valproic acid have shown some initial evidence on hair regeneration. This makes valproate's effects on hair interesting and understanding it's effects on hair is very much essential in clinical practice.
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