The phosphorus content of washing powder can be divided into non-phosphorus and phosphorus-containing washing powder, and can be divided into ordinary and concentrated washing powder according to its washing efficiency. Ordinary washing powder (Type A) has large and loose particles, good solubility, and rich foam, but its detergency is relatively weak and it is not easy to rinse. It is generally suitable for hand washing. 1. Phosphorus detergent powder: Medical research shows that long-term use of high-phosphorus and aluminum-containing detergents will directly affect the human body’s absorption of calcium, leading to calcium deficiency in the human body or inducing rickets in children; washing clothes with high-phosphorus detergents often causes skin problems There is a burning sensation because the high-phosphorus washing powder changes the acid-base environment in the water, making it more alkaline. If you can’t wash away the residual phosphorus in the laundry (i...