It is mainly used in high grade synthetic detergent, super concentrated liquid detergent and can also be used for whitening soap and soap. Ordinary washing powder: 0.005-0.03% Concentrated washing powder: 0.01-0.06% Liquid detergent: 0.02-0.08% soap, soap: 0.01-0.05% Fabric softener: 0.01-0.05%