1, take a piece of dry gluten to be foamed, and choose according to the amount of foaming required.

2. Prepare a basin slightly larger than gluten to prevent gluten from breaking into slag.

3. Pour hot water or warm water into the basin.

4. Put the gluten into the basin and soak it for about 40 minutes.

5. In the process of soaking hair, you can pinch the gluten by hand to check whether there are hard bumps, especially on the surface of the gluten, which means that the gluten has been soaked.

5. Squeeze out the water in the gluten and cut it into small pieces, then you can use it.