What is the preparation method of foaming liquid?

Bubble water is one of the favorite toys in many people's childhood, and it is the best memory of many people. A large group of children can play for a day without getting bored, and the production method is simple:

Washing powder, soap, laundry detergent, shower gel, detergent, etc. Can be used.

1, take a cup and pour boiling water.

2. Add 1-2 tablespoons of sugar to the empty cup, pour some detergent, pour boiling water and stir with chopsticks;

Bubble water is made, and the bubbles blown out with this bubble water are big and not easy to break.