What's the difference between white and pink toilet paper?

1) Dye the input pulp into different colors; The hygienic indexes of regular products are all produced and tested according to the relevant national standards, and there is no essential difference;

2) Different history; When the category of toilet paper was just developed, in fact, various colors were put into the market soon, and the highest acceptance through market feedback was white and pink. Then, because the American market and soldiers were the first to use pink on a large scale during World War II, there used to be more pink, including China. Later, when China promoted this product on a large scale again after the reform and opening up, white became more and more popular. After all, if you take it out in public, it will cause some uncomfortable reverie. Therefore, white products are gradually increasing.