People are increasingly worried about chemicals these days (even if they don't quite know what the word means), but most of that fear is unfounded. The ingredients in cosmetics and foods are actually pretty harmless on the whole, certainly in the quantities you usually meet them.
This is because we've had decades of extensive testing and health and safety regulations - the truly nasty stuff simply isn't allowed anymore. Even, sometimes, in fairly-obviously dangerous things like rat poison.
But the nasty stuff exists. Oh yes it does. You might be unlikely to come across it these days, but it's still out there. Locked away. (Or not.)
So, come with me as I take you on a tour of 10 chemicals you really SHOULD be scared of...