Mustard and Mayonnaise

"McDonald's burns prompt US enquiry"
"Some workers claimed they had been told to treat their injuries with condiments such as mustard and mayonnaise rather than medicinal cream."
http://www.bbc.co.uk/news/business-31881845
I doubt that these impressively creative treatments are prescribed in their manuals at MacDonald restaurants.
http://en.m.wikipedia.org/wiki/The_McDonaldization_of_Society