How to identify the quality of laundry detergent
● Appearance High-quality products are uniform and viscous, with no visible impurities or stratification, and defective products have thicker and thinner layers. ● Color Good laundry detergents are stable in color and will not change color after long-term storage; poor laundry detergents will have dispersion and fading. ● Solubility It can dissolve in water quickly,…