I never like such blue liquid for cloths. They are only just for advertisement that this keep the white thing safe and in original coulor but that's not once my mom applied ujala in my white shirt. It was looking very bad when I took to wear. Even I wanted to wear white but due to its high colouring effect turned into blue. Since that time my mom stopped to use.
Besides, application is so easy just drop few drops and mix with water and dip clothes accodingly. Nothing else good at all.