The medicinal water to remove spots for 5 days can generally fall off in about 5 to 7 days, but it varies from person to person. The main purpose of potion spot removal is to use chemical corrosive effect of drugs to achieve the effect of spot removal by corroding the local pigmentation. Generally speaking, after spot removal, the local skin will be slightly broken and then scabbed, and the scabs will gradually fall off in 5-7 days, and the scabs can be gradually recovered after they fall off. However, because of the strong corrosive effect of potion spot removal, it is likely to lead to serious local skin damage, even after the scabs come off, the skin can not be restored to the natural state, and may leave small scars, so after the scabs come off, must pay attention to go out and do a good job of sunscreen, avoid ultraviolet radiation. In addition, it is generally not recommended to use medicine to get rid of spots, and can take laser to get rid of spots, which is not easy to leave scars.