I've not come across this term before, or at least not conciously. I've been making my own soap and moisturiser for a couple of years to help avoid the chemicals in commercial products. Here is an article on the Breastcancer.org website breastcancer.org/risk/facto... There are lots more articles about this but I thought posting one from a 'reliable' source may be the way to start. I see there have been articles on here previously but many people may not have read them; it's always worth revisiting this kind of information.