At present we deny not that cleaners and polishing the shoes in our daily lives, especially a student. Students.
In which a liquid, shoe polishing, then there is a toxic substance called Sudan red, mixing the dye in the Sudan. Have the features bright colors. Stick and durable.
From the research of international research agency, found that substances Sudan red affects DNA destruction which will result in tumors, which.
This type of toxic substances can get into the human body by eating. Inhaling or touching. Group would bring natural materials such as fruit peels.
Used to make shoe cleaners.