Usage: spray directly on the surface of the object to be cleaned, wait for a few seconds, and wipe it off with a rag. If the stain is too thick, some substances can be scraped off first, and then this product can be used, the effect is more significant. It is used for clothes that are stubborn and easy to get dirty and not in place. It is directly sprayed on the top, gently rubbed, and then washed regularly.