1, look at the qualified sign. The color of the genuine qualified mark is clear and deep, and the color of the false mark is light. As shown in the figure, the color of the qualified logo 1 on the left side is lighter, and the color of the genuine qualified logo on the right side is darker.

2, mobile phone scan code. Now many mobile phones or software have the function of scanning bar codes. Turn on your mobile phone and scan it. If it is genuine, there will be all kinds of information and retail price of the product, otherwise there will be nothing.

3. Pay attention to the liquid. Good laundry detergent is visible to the naked eye, clear and free from impurities and stratification, while counterfeit products usually have upper and lower stratification and some turbidity.

Extended data

Application mode

Suitable for all kinds of washable clothes, including baby clothes and diapers.

Pre-washing: Generally, 1 bottle cap laundry detergent is used for every 3.5 kg of clothes (different brands have different concentrations of laundry detergent), diapers must be soaked for 10 minute, and ordinary clothes only need 5 minutes. After soaking, you can wash it by hand or machine at will.

Hand washing: generally, use 1 bottle cap laundry detergent for every 3.5 kg of clothes (different brands have different laundry detergents with different concentrations), gently rub it, do not rub it violently, and dry it after water.

Machine wash: use 1.2 bottle cap laundry detergent for every 3.5kg of clothes (different brands have different concentrations of laundry detergent).

Cleaning stubborn stains: Soak clothes with proper amount of laundry detergent for 10 minute, and then carry out normal washing procedure, with better effect. The dosage of the product can also be increased or decreased according to the degree of dirt of the laundry.

Baidu encyclopedia: laundry detergent