Decolorizer should be preserved in a cool, dark and sealed place. Decolorizer is inedible. Particularly, chlorinated decolorizer is highly toxic to human body and should be kept out of the reach of children.
It is not poisonous. Phosphorus is essential for life. Everyone takes about 700g of phosphorus from food every year and excretes 500g. Except that phosphate is used for detergent, it is also used as a legal food additive at home and abroad.
Having been used for several decades, practice has proved that washing powder is a very safe daily necessity. It is harmless to human health, but it can abstract fat from the skin due to alkalinity. If washing powder is used in winter, it’s better to wear rubber gloves or apply hand cream in order to protect skin.
