Wigs and human hair dominated North Korea’s trade with China in June, while grain imports declined amid continuing fears of food shortages.

The Chinese trade data released Thursday shows that the DPRK continues to import human hair to process into wigs and other products for export, following concerns about North Korea’s use of female prison labor to carry out the labor-intensive production process.

DPRK exports of wigs and other synthetic hair products surged to $18.3 million in June, up from $15.5 million in the previous month, according to the trade figures from China’s General