I bought some "for external use" this week for the first time. No reactions and I feel safe.
check out this:http://www.nytimes.com/2011/11/02/dining/american-chefs-discover-mustard-oil.html?_r=0&adxnnl=1&pagewanted=all&adxnnlx=1409874112-WQ1fsCuOYJ9xtPQ2dx+ATQ
check out this:http://www.nytimes.com/2011/11/02/dining/american-chefs-discover-mustard-oil.html?_r=0&adxnnl=1&pagewanted=all&adxnnlx=1409874112-WQ1fsCuOYJ9xtPQ2dx+ATQ
