The whole problem is that putting any sesame in might kill somebody with a severe enough allergy. There should be some gradation to the labelling, because "cont

The whole problem is that putting any sesame in might kill somebody with a severe enough allergy. There should be some gradation to the labelling, because "contains absolutely no sesame" is extremely hard at industrial scale, but "certified to contain less than Xg of sesame per 1kg of product" would be pretty easy to test and still useful for people who don't die from ingesting a single grain.