What brand of old soap have you used before?

It is said that the familiar Matou brand old soap is carved and made of white. Traditional soaps are made of animal fat, and clothes smell bad after washing. Nowadays, the emerging soaps are all plant ingredients, which are odorless, pollution-free, and pollution-free after washing, but the price is higher than the traditional old soaps. With the improvement of quality of life, plant-based soaps are increasingly welcomed by domestic people.