This is a soap bar which came to existance in early 19th century in england. It was a huge hit during that time. Since it was the first transparent soap bar. It caught in everyones eyes very quickly. And the upper class people of those time liked to keep their skin as white as possible, as tanned skin was considered as labourers. So at that time most of the soap bars consisted alot of lead in it. So when the pears soap bar arrived it caught more attention because of its ingridients like glycerine, which is not harmful to skin.