Our laundry soap (in boxes) contains sodium palmitate and glycerin. It can clean with a phosphorus-free formula, remove stains and have a long-lasting fragrance. Its usage method is very simple: Put the clothes in water, soak them thoroughly and then take them out. Gently apply laundry soap to the clothes to create dense foam. Wash them several times, then rinse them with water. After washing, put the clothes in the washing machine to dry or dry them directly. And it can clean stains and mold spots on clothes.