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JPY
Abstract
Objective We evaluated the hair growth effect of ingesting a food containing proanthocyanidin. Methods An open-label study consisting of 16 weeks was conducted. 29 healthy volunteers including 15 males and 14 females participated in this study. In each one-day of a study period, all subjects ingested a test food containing proanthocyanidin and tocotrienol. The dermatologist's evaluation for severity of hair loss, score of the scalp condition, and general improvement degree with photographic evaluation at the parietal region, and a subjective evaluation including sensory questions were conducted. Results In the male group, 5 indexes of score of the scalp condition(inflammation, rash, amount of dandruff, pore-clogging, and sebum capacity)showed significant improvement compared with week 0 at week 16. There was no significant change in the Hamilton-Norwood scale. In the female group, severity of hair loss score, two indexes of score of the scalp condition(rash and amount of dandruff)showed significant improvement compared with week 0 at week 16. The subjective evaluation was improved significantly in the both groups compared with week 0 at week 16. No adverse effects were observed after the ingestion of the test food. Conclusion These results implied that the test food was effective against the hair loss and pointed to its safety.
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