2, soap powder or washing powder, strong detergency.

3. Which is clean, washing powder or soap powder?

4. Is the washing powder clean or the soap clean?

1. Washing powder is not as clean as soap powder, because the main raw material of soap powder is a natural active fatty acid, which not only has little irritation to the skin and makes clothes softer, but also has the advantage of strong decontamination ability. There are many chemical synthetic substances in washing powder, which have limited decontamination ability and are easy to harden clothes.