To add to this, end of the 1990s I worked in the kitchen of a camp for disabled adults and children in New Jersey for a summer (as a foreign student). Before th

To add to this, end of the 1990s I worked in the kitchen of a camp for disabled adults and children in New Jersey for a summer (as a foreign student). Before that I had occasionally had kitchen duty in the German army, and before that, at about 16 at the end of the 10th grade in East Germany, I worked in a meat processing factory for a few weeks and before that in a brewery, also for a few weeks. As a student I also worked in a chocolate factory for a few weeks. I also know two people who owned or own (good!) restaurants in Germany, one of them a professional cook, one of them only "part time cook" and owner (with a professional cook on staff). Never saw gloves. My experiences in all those places where good: It was clean, always, and I never saw anything that would have me question their methods or (food) results. Nobody ever wore gloves though, as far as I can remember (I certainly didn't). You needed a health certificate from a doctor. I think we had hair nets in either the meat processing or the chocolate factory, or both, don't remember, and in the camp kitchen. But no gloves. I don't think they add any significant benefit. Covering the head may often be beneficial, depending on the concrete setup. You don't want hair in food even if the hair is clean, and you don't wash hair as frequently as hands (especially when preparing food).