search and digest you internet research on dangerous ingredients in personal care and cosmetic products - repost 2

I need someone who can write a list of dangerous ingredients commonly present in personal care and cosmetics products and are legal in Canada and/or US and/or EU and/or UK, list the sub category of product they are usually present in (moisturizers, shampoo, hand cream, etc...) list the bad consequences with sources to studies that shows it (cancer, organ failure, lifespan reduction, etc...) list the bad consequences on the environment (toxicity to : aqua life, soil, wild life, etc...) list the positive reasons behind the presence of that ingredient (product has a better texture, cheaper to produce, preservative, etc...) list the ruling that is taking place right now in the 4 countries/region named and give a special mention to any other country that has strong ruling against those ingredients.